! function (e) {
    if ("object" == typeof exports && "undefined" != typeof module) module.exports = e();
    else if ("function" == typeof define && define.amd) define([], e);
    else {
        var f;
        "undefined" != typeof window ? f = window : "undefined" != typeof global ? f = global : "undefined" != typeof self && (f = self), f.io = e()
    }
}(function () {
    var define, module, exports;
    return (function e(t, n, r) {
            function s(o, u) {
                if (!n[o]) {
                    if (!t[o]) {
                        var a = typeof require == "function" && require;
                        if (!u && a) return a(o, !0);
                        if (i) return i(o, !0);
                        throw new Error("Cannot find module '" + o + "'")
                    }
                    var f = n[o] = {
                        exports: {}
                    };
                    t[o][0].call(f.exports, function (e) {
                        var n = t[o][1][e];
                        return s(n ? n : e)
                    }, f, f.exports, e, t, n, r)
                }
                return n[o].exports
            }
            var i = typeof require == "function" && require;
            for (var o = 0; o < r.length; o++) s(r[o]);
            return s
        })({
            1: [function (_dereq_, module, exports) {

                module.exports = _dereq_('./lib/');

            }, {
                "./lib/": 2
            }],
            2: [function (_dereq_, module, exports) {

                /**
                 * Module dependencies.
                 */

                var url = _dereq_('./url');
                var parser = _dereq_('socket.io-parser');
                var Manager = _dereq_('./manager');
                var debug = _dereq_('debug')('socket.io-client');

                /**
                 * Module exports.
                 */

                module.exports = exports = lookup;

                /**
                 * Managers cache.
                 */

                var cache = exports.managers = {};

                /**
                 * Looks up an existing `Manager` for multiplexing.
                 * If the user summons:
                 *
                 *   `io('http://localhost/a');`
                 *   `io('http://localhost/b');`
                 *
                 * We reuse the existing instance based on same scheme/port/host,
                 * and we initialize sockets for each namespace.
                 *
                 * @api public
                 */

                function lookup(uri, opts) {
                    if (typeof uri == 'object') {
                        opts = uri;
                        uri = undefined;
                    }

                    opts = opts || {};

                    var parsed = url(uri);
                    var source = parsed.source;
                    var id = parsed.id;
                    var io;

                    if (opts.forceNew || opts['force new connection'] || false === opts.multiplex) {
                        debug('ignoring socket cache for %s', source);
                        io = Manager(source, opts);
                    } else {
                        if (!cache[id]) {
                            debug('new io instance for %s', source);
                            cache[id] = Manager(source, opts);
                        }
                        io = cache[id];
                    }

                    return io.socket(parsed.path);
                }

                /**
                 * Protocol version.
                 *
                 * @api public
                 */

                exports.protocol = parser.protocol;

                /**
                 * `connect`.
                 *
                 * @param {String} uri
                 * @api public
                 */

                exports.connect = lookup;

                /**
                 * Expose constructors for standalone build.
                 *
                 * @api public
                 */

                exports.Manager = _dereq_('./manager');
                exports.Socket = _dereq_('./socket');

            }, {
                "./manager": 3,
                "./socket": 5,
                "./url": 6,
                "debug": 10,
                "socket.io-parser": 46
            }],
            3: [function (_dereq_, module, exports) {

                /**
                 * Module dependencies.
                 */

                var url = _dereq_('./url');
                var eio = _dereq_('engine.io-client');
                var Socket = _dereq_('./socket');
                var Emitter = _dereq_('component-emitter');
                var parser = _dereq_('socket.io-parser');
                var on = _dereq_('./on');
                var bind = _dereq_('component-bind');
                var object = _dereq_('object-component');
                var debug = _dereq_('debug')('socket.io-client:manager');
                var indexOf = _dereq_('indexof');
                var Backoff = _dereq_('backo2');

                /**
                 * Module exports
                 */

                module.exports = Manager;

                /**
                 * `Manager` constructor.
                 *
                 * @param {String} engine instance or engine uri/opts
                 * @param {Object} options
                 * @api public
                 */

                function Manager(uri, opts) {
                    if (!(this instanceof Manager)) return new Manager(uri, opts);
                    if (uri && ('object' == typeof uri)) {
                        opts = uri;
                        uri = undefined;
                    }
                    opts = opts || {};

                    opts.path = opts.path || '/socket.io';
                    this.nsps = {};
                    this.subs = [];
                    this.opts = opts;
                    this.reconnection(opts.reconnection !== false);
                    this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
                    this.reconnectionDelay(opts.reconnectionDelay || 1000);
                    this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
                    this.randomizationFactor(opts.randomizationFactor || 0.5);
                    this.backoff = new Backoff({
                        min: this.reconnectionDelay(),
                        max: this.reconnectionDelayMax(),
                        jitter: this.randomizationFactor()
                    });
                    this.timeout(null == opts.timeout ? 20000 : opts.timeout);
                    this.readyState = 'closed';
                    this.uri = uri;
                    this.connected = [];
                    this.encoding = false;
                    this.packetBuffer = [];
                    this.encoder = new parser.Encoder();
                    this.decoder = new parser.Decoder();
                    this.autoConnect = opts.autoConnect !== false;
                    if (this.autoConnect) this.open();
                }

                /**
                 * Propagate given event to sockets and emit on `this`
                 *
                 * @api private
                 */

                Manager.prototype.emitAll = function () {
                    this.emit.apply(this, arguments);
                    for (var nsp in this.nsps) {
                        this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
                    }
                };

                /**
                 * Update `socket.id` of all sockets
                 *
                 * @api private
                 */

                Manager.prototype.updateSocketIds = function () {
                    for (var nsp in this.nsps) {
                        this.nsps[nsp].id = this.engine.id;
                    }
                };

                /**
                 * Mix in `Emitter`.
                 */

                Emitter(Manager.prototype);

                /**
                 * Sets the `reconnection` config.
                 *
                 * @param {Boolean} true/false if it should automatically reconnect
                 * @return {Manager} self or value
                 * @api public
                 */

                Manager.prototype.reconnection = function (v) {
                    if (!arguments.length) return this._reconnection;
                    this._reconnection = !!v;
                    return this;
                };

                /**
                 * Sets the reconnection attempts config.
                 *
                 * @param {Number} max reconnection attempts before giving up
                 * @return {Manager} self or value
                 * @api public
                 */

                Manager.prototype.reconnectionAttempts = function (v) {
                    if (!arguments.length) return this._reconnectionAttempts;
                    this._reconnectionAttempts = v;
                    return this;
                };

                /**
                 * Sets the delay between reconnections.
                 *
                 * @param {Number} delay
                 * @return {Manager} self or value
                 * @api public
                 */

                Manager.prototype.reconnectionDelay = function (v) {
                    if (!arguments.length) return this._reconnectionDelay;
                    this._reconnectionDelay = v;
                    this.backoff && this.backoff.setMin(v);
                    return this;
                };

                Manager.prototype.randomizationFactor = function (v) {
                    if (!arguments.length) return this._randomizationFactor;
                    this._randomizationFactor = v;
                    this.backoff && this.backoff.setJitter(v);
                    return this;
                };

                /**
                 * Sets the maximum delay between reconnections.
                 *
                 * @param {Number} delay
                 * @return {Manager} self or value
                 * @api public
                 */

                Manager.prototype.reconnectionDelayMax = function (v) {
                    if (!arguments.length) return this._reconnectionDelayMax;
                    this._reconnectionDelayMax = v;
                    this.backoff && this.backoff.setMax(v);
                    return this;
                };

                /**
                 * Sets the connection timeout. `false` to disable
                 *
                 * @return {Manager} self or value
                 * @api public
                 */

                Manager.prototype.timeout = function (v) {
                    if (!arguments.length) return this._timeout;
                    this._timeout = v;
                    return this;
                };

                /**
                 * Starts trying to reconnect if reconnection is enabled and we have not
                 * started reconnecting yet
                 *
                 * @api private
                 */

                Manager.prototype.maybeReconnectOnOpen = function () {
                    // Only try to reconnect if it's the first time we're connecting
                    if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {
                        // keeps reconnection from firing twice for the same reconnection loop
                        this.reconnect();
                    }
                };


                /**
                 * Sets the current transport `socket`.
                 *
                 * @param {Function} optional, callback
                 * @return {Manager} self
                 * @api public
                 */

                Manager.prototype.open =
                    Manager.prototype.connect = function (fn) {
                        debug('readyState %s', this.readyState);
                        if (~this.readyState.indexOf('open')) return this;

                        debug('opening %s', this.uri);
                        this.engine = eio(this.uri, this.opts);
                        var socket = this.engine;
                        var self = this;
                        this.readyState = 'opening';
                        this.skipReconnect = false;

                        // emit `open`
                        var openSub = on(socket, 'open', function () {
                            self.onopen();
                            fn && fn();
                        });

                        // emit `connect_error`
                        var errorSub = on(socket, 'error', function (data) {
                            debug('connect_error');
                            self.cleanup();
                            self.readyState = 'closed';
                            self.emitAll('connect_error', data);
                            if (fn) {
                                var err = new Error('Connection error');
                                err.data = data;
                                fn(err);
                            } else {
                                // Only do this if there is no fn to handle the error
                                self.maybeReconnectOnOpen();
                            }
                        });

                        // emit `connect_timeout`
                        if (false !== this._timeout) {
                            var timeout = this._timeout;
                            debug('connect attempt will timeout after %d', timeout);

                            // set timer
                            var timer = setTimeout(function () {
                                debug('connect attempt timed out after %d', timeout);
                                openSub.destroy();
                                socket.close();
                                socket.emit('error', 'timeout');
                                self.emitAll('connect_timeout', timeout);
                            }, timeout);

                            this.subs.push({
                                destroy: function () {
                                    clearTimeout(timer);
                                }
                            });
                        }

                        this.subs.push(openSub);
                        this.subs.push(errorSub);

                        return this;
                    };

                /**
                 * Called upon transport open.
                 *
                 * @api private
                 */

                Manager.prototype.onopen = function () {
                    debug('open');

                    // clear old subs
                    this.cleanup();

                    // mark as open
                    this.readyState = 'open';
                    this.emit('open');

                    // add new subs
                    var socket = this.engine;
                    this.subs.push(on(socket, 'data', bind(this, 'ondata')));
                    this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
                    this.subs.push(on(socket, 'error', bind(this, 'onerror')));
                    this.subs.push(on(socket, 'close', bind(this, 'onclose')));
                };

                /**
                 * Called with data.
                 *
                 * @api private
                 */

                Manager.prototype.ondata = function (data) {
                    this.decoder.add(data);
                };

                /**
                 * Called when parser fully decodes a packet.
                 *
                 * @api private
                 */

                Manager.prototype.ondecoded = function (packet) {
                    this.emit('packet', packet);
                };

                /**
                 * Called upon socket error.
                 *
                 * @api private
                 */

                Manager.prototype.onerror = function (err) {
                    debug('error', err);
                    this.emitAll('error', err);
                };

                /**
                 * Creates a new socket for the given `nsp`.
                 *
                 * @return {Socket}
                 * @api public
                 */

                Manager.prototype.socket = function (nsp) {
                    var socket = this.nsps[nsp];
                    if (!socket) {
                        socket = new Socket(this, nsp);
                        this.nsps[nsp] = socket;
                        var self = this;
                        socket.on('connect', function () {
                            socket.id = self.engine.id;
                            if (!~indexOf(self.connected, socket)) {
                                self.connected.push(socket);
                            }
                        });
                    }
                    return socket;
                };

                /**
                 * Called upon a socket close.
                 *
                 * @param {Socket} socket
                 */

                Manager.prototype.destroy = function (socket) {
                    var index = indexOf(this.connected, socket);
                    if (~index) this.connected.splice(index, 1);
                    if (this.connected.length) return;

                    this.close();
                };

                /**
                 * Writes a packet.
                 *
                 * @param {Object} packet
                 * @api private
                 */

                Manager.prototype.packet = function (packet) {
                    debug('writing packet %j', packet);
                    var self = this;

                    if (!self.encoding) {
                        // encode, then write to engine with result
                        self.encoding = true;
                        this.encoder.encode(packet, function (encodedPackets) {
                            for (var i = 0; i < encodedPackets.length; i++) {
                                self.engine.write(encodedPackets[i]);
                            }
                            self.encoding = false;
                            self.processPacketQueue();
                        });
                    } else { // add packet to the queue
                        self.packetBuffer.push(packet);
                    }
                };

                /**
                 * If packet buffer is non-empty, begins encoding the
                 * next packet in line.
                 *
                 * @api private
                 */

                Manager.prototype.processPacketQueue = function () {
                    if (this.packetBuffer.length > 0 && !this.encoding) {
                        var pack = this.packetBuffer.shift();
                        this.packet(pack);
                    }
                };

                /**
                 * Clean up transport subscriptions and packet buffer.
                 *
                 * @api private
                 */

                Manager.prototype.cleanup = function () {
                    var sub;
                    while (sub = this.subs.shift()) sub.destroy();

                    this.packetBuffer = [];
                    this.encoding = false;

                    this.decoder.destroy();
                };

                /**
                 * Close the current socket.
                 *
                 * @api private
                 */

                Manager.prototype.close =
                    Manager.prototype.disconnect = function () {
                        this.skipReconnect = true;
                        this.backoff.reset();
                        this.readyState = 'closed';
                        this.engine && this.engine.close();
                    };

                /**
                 * Called upon engine close.
                 *
                 * @api private
                 */

                Manager.prototype.onclose = function (reason) {
                    debug('close');
                    this.cleanup();
                    this.backoff.reset();
                    this.readyState = 'closed';
                    this.emit('close', reason);
                    if (this._reconnection && !this.skipReconnect) {
                        this.reconnect();
                    }
                };

                /**
                 * Attempt a reconnection.
                 *
                 * @api private
                 */

                Manager.prototype.reconnect = function () {
                    if (this.reconnecting || this.skipReconnect) return this;

                    var self = this;

                    if (this.backoff.attempts >= this._reconnectionAttempts) {
                        debug('reconnect failed');
                        this.backoff.reset();
                        this.emitAll('reconnect_failed');
                        this.reconnecting = false;
                    } else {
                        var delay = this.backoff.duration();
                        debug('will wait %dms before reconnect attempt', delay);

                        this.reconnecting = true;
                        var timer = setTimeout(function () {
                            if (self.skipReconnect) return;

                            debug('attempting reconnect');
                            self.emitAll('reconnect_attempt', self.backoff.attempts);
                            self.emitAll('reconnecting', self.backoff.attempts);

                            // check again for the case socket closed in above events
                            if (self.skipReconnect) return;

                            self.open(function (err) {
                                if (err) {
                                    debug('reconnect attempt error');
                                    self.reconnecting = false;
                                    self.reconnect();
                                    self.emitAll('reconnect_error', err.data);
                                } else {
                                    debug('reconnect success');
                                    self.onreconnect();
                                }
                            });
                        }, delay);

                        this.subs.push({
                            destroy: function () {
                                clearTimeout(timer);
                            }
                        });
                    }
                };

                /**
                 * Called upon successful reconnect.
                 *
                 * @api private
                 */

                Manager.prototype.onreconnect = function () {
                    var attempt = this.backoff.attempts;
                    this.reconnecting = false;
                    this.backoff.reset();
                    this.updateSocketIds();
                    this.emitAll('reconnect', attempt);
                };

            }, {
                "./on": 4,
                "./socket": 5,
                "./url": 6,
                "backo2": 7,
                "component-bind": 8,
                "component-emitter": 9,
                "debug": 10,
                "engine.io-client": 11,
                "indexof": 42,
                "object-component": 43,
                "socket.io-parser": 46
            }],
            4: [function (_dereq_, module, exports) {

                /**
                 * Module exports.
                 */

                module.exports = on;

                /**
                 * Helper for subscriptions.
                 *
                 * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
                 * @param {String} event name
                 * @param {Function} callback
                 * @api public
                 */

                function on(obj, ev, fn) {
                    obj.on(ev, fn);
                    return {
                        destroy: function () {
                            obj.removeListener(ev, fn);
                        }
                    };
                }

            }, {}],
            5: [function (_dereq_, module, exports) {

                /**
                 * Module dependencies.
                 */

                var parser = _dereq_('socket.io-parser');
                var Emitter = _dereq_('component-emitter');
                var toArray = _dereq_('to-array');
                var on = _dereq_('./on');
                var bind = _dereq_('component-bind');
                var debug = _dereq_('debug')('socket.io-client:socket');
                var hasBin = _dereq_('has-binary');

                /**
                 * Module exports.
                 */

                module.exports = exports = Socket;

                /**
                 * Internal events (blacklisted).
                 * These events can't be emitted by the user.
                 *
                 * @api private
                 */

                var events = {
                    connect: 1,
                    connect_error: 1,
                    connect_timeout: 1,
                    disconnect: 1,
                    error: 1,
                    reconnect: 1,
                    reconnect_attempt: 1,
                    reconnect_failed: 1,
                    reconnect_error: 1,
                    reconnecting: 1
                };

                /**
                 * Shortcut to `Emitter#emit`.
                 */

                var emit = Emitter.prototype.emit;

                /**
                 * `Socket` constructor.
                 *
                 * @api public
                 */

                function Socket(io, nsp) {
                    this.io = io;
                    this.nsp = nsp;
                    this.json = this; // compat
                    this.ids = 0;
                    this.acks = {};
                    if (this.io.autoConnect) this.open();
                    this.receiveBuffer = [];
                    this.sendBuffer = [];
                    this.connected = false;
                    this.disconnected = true;
                }

                /**
                 * Mix in `Emitter`.
                 */

                Emitter(Socket.prototype);

                /**
                 * Subscribe to open, close and packet events
                 *
                 * @api private
                 */

                Socket.prototype.subEvents = function () {
                    if (this.subs) return;

                    var io = this.io;
                    this.subs = [
                        on(io, 'open', bind(this, 'onopen')),
                        on(io, 'packet', bind(this, 'onpacket')),
                        on(io, 'close', bind(this, 'onclose'))
                    ];
                };

                /**
                 * "Opens" the socket.
                 *
                 * @api public
                 */

                Socket.prototype.open =
                    Socket.prototype.connect = function () {
                        if (this.connected) return this;

                        this.subEvents();
                        this.io.open(); // ensure open
                        if ('open' == this.io.readyState) this.onopen();
                        return this;
                    };

                /**
                 * Sends a `message` event.
                 *
                 * @return {Socket} self
                 * @api public
                 */

                Socket.prototype.send = function () {
                    var args = toArray(arguments);
                    args.unshift('message');
                    this.emit.apply(this, args);
                    return this;
                };

                /**
                 * Override `emit`.
                 * If the event is in `events`, it's emitted normally.
                 *
                 * @param {String} event name
                 * @return {Socket} self
                 * @api public
                 */

                Socket.prototype.emit = function (ev) {
                    if (events.hasOwnProperty(ev)) {
                        emit.apply(this, arguments);
                        return this;
                    }

                    var args = toArray(arguments);
                    var parserType = parser.EVENT; // default
                    if (hasBin(args)) {
                        parserType = parser.BINARY_EVENT;
                    } // binary
                    var packet = {
                        type: parserType,
                        data: args
                    };

                    // event ack callback
                    if ('function' == typeof args[args.length - 1]) {
                        debug('emitting packet with ack id %d', this.ids);
                        this.acks[this.ids] = args.pop();
                        packet.id = this.ids++;
                    }

                    if (this.connected) {
                        this.packet(packet);
                    } else {
                        this.sendBuffer.push(packet);
                    }

                    return this;
                };

                /**
                 * Sends a packet.
                 *
                 * @param {Object} packet
                 * @api private
                 */

                Socket.prototype.packet = function (packet) {
                    packet.nsp = this.nsp;
                    this.io.packet(packet);
                };

                /**
                 * Called upon engine `open`.
                 *
                 * @api private
                 */

                Socket.prototype.onopen = function () {
                    debug('transport is open - connecting');

                    // write connect packet if necessary
                    if ('/' != this.nsp) {
                        this.packet({
                            type: parser.CONNECT
                        });
                    }
                };

                /**
                 * Called upon engine `close`.
                 *
                 * @param {String} reason
                 * @api private
                 */

                Socket.prototype.onclose = function (reason) {
                    debug('close (%s)', reason);
                    this.connected = false;
                    this.disconnected = true;
                    delete this.id;
                    this.emit('disconnect', reason);
                };

                /**
                 * Called with socket packet.
                 *
                 * @param {Object} packet
                 * @api private
                 */

                Socket.prototype.onpacket = function (packet) {
                    if (packet.nsp != this.nsp) return;

                    switch (packet.type) {
                        case parser.CONNECT:
                            this.onconnect();
                            break;

                        case parser.EVENT:
                            this.onevent(packet);
                            break;

                        case parser.BINARY_EVENT:
                            this.onevent(packet);
                            break;

                        case parser.ACK:
                            this.onack(packet);
                            break;

                        case parser.BINARY_ACK:
                            this.onack(packet);
                            break;

                        case parser.DISCONNECT:
                            this.ondisconnect();
                            break;

                        case parser.ERROR:
                            this.emit('error', packet.data);
                            break;
                    }
                };

                /**
                 * Called upon a server event.
                 *
                 * @param {Object} packet
                 * @api private
                 */

                Socket.prototype.onevent = function (packet) {
                    var args = packet.data || [];
                    debug('emitting event %j', args);

                    if (null != packet.id) {
                        debug('attaching ack callback to event');
                        args.push(this.ack(packet.id));
                    }

                    if (this.connected) {
                        emit.apply(this, args);
                    } else {
                        this.receiveBuffer.push(args);
                    }
                };

                /**
                 * Produces an ack callback to emit with an event.
                 *
                 * @api private
                 */

                Socket.prototype.ack = function (id) {
                    var self = this;
                    var sent = false;
                    return function () {
                        // prevent double callbacks
                        if (sent) return;
                        sent = true;
                        var args = toArray(arguments);
                        debug('sending ack %j', args);

                        var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK;
                        self.packet({
                            type: type,
                            id: id,
                            data: args
                        });
                    };
                };

                /**
                 * Called upon a server acknowlegement.
                 *
                 * @param {Object} packet
                 * @api private
                 */

                Socket.prototype.onack = function (packet) {
                    debug('calling ack %s with %j', packet.id, packet.data);
                    var fn = this.acks[packet.id];
                    fn.apply(this, packet.data);
                    delete this.acks[packet.id];
                };

                /**
                 * Called upon server connect.
                 *
                 * @api private
                 */

                Socket.prototype.onconnect = function () {
                    this.connected = true;
                    this.disconnected = false;
                    this.emit('connect');
                    this.emitBuffered();
                };

                /**
                 * Emit buffered events (received and emitted).
                 *
                 * @api private
                 */

                Socket.prototype.emitBuffered = function () {
                    var i;
                    for (i = 0; i < this.receiveBuffer.length; i++) {
                        emit.apply(this, this.receiveBuffer[i]);
                    }
                    this.receiveBuffer = [];

                    for (i = 0; i < this.sendBuffer.length; i++) {
                        this.packet(this.sendBuffer[i]);
                    }
                    this.sendBuffer = [];
                };

                /**
                 * Called upon server disconnect.
                 *
                 * @api private
                 */

                Socket.prototype.ondisconnect = function () {
                    debug('server disconnect (%s)', this.nsp);
                    this.destroy();
                    this.onclose('io server disconnect');
                };

                /**
                 * Called upon forced client/server side disconnections,
                 * this method ensures the manager stops tracking us and
                 * that reconnections don't get triggered for this.
                 *
                 * @api private.
                 */

                Socket.prototype.destroy = function () {
                    if (this.subs) {
                        // clean subscriptions to avoid reconnections
                        for (var i = 0; i < this.subs.length; i++) {
                            this.subs[i].destroy();
                        }
                        this.subs = null;
                    }

                    this.io.destroy(this);
                };

                /**
                 * Disconnects the socket manually.
                 *
                 * @return {Socket} self
                 * @api public
                 */

                Socket.prototype.close =
                    Socket.prototype.disconnect = function () {
                        if (this.connected) {
                            debug('performing disconnect (%s)', this.nsp);
                            this.packet({
                                type: parser.DISCONNECT
                            });
                        }

                        // remove socket from pool
                        this.destroy();

                        if (this.connected) {
                            // fire events
                            this.onclose('io client disconnect');
                        }
                        return this;
                    };

            }, {
                "./on": 4,
                "component-bind": 8,
                "component-emitter": 9,
                "debug": 10,
                "has-binary": 38,
                "socket.io-parser": 46,
                "to-array": 50
            }],
            6: [function (_dereq_, module, exports) {
                (function (global) {

                    /**
                     * Module dependencies.
                     */

                    var parseuri = _dereq_('parseuri');
                    var debug = _dereq_('debug')('socket.io-client:url');

                    /**
                     * Module exports.
                     */

                    module.exports = url;

                    /**
                     * URL parser.
                     *
                     * @param {String} url
                     * @param {Object} An object meant to mimic window.location.
                     *                 Defaults to window.location.
                     * @api public
                     */

                    function url(uri, loc) {
                        var obj = uri;

                        // default to window.location
                        var loc = loc || global.location;
                        if (null == uri) uri = loc.protocol + '//' + loc.host;

                        // relative path support
                        if ('string' == typeof uri) {
                            if ('/' == uri.charAt(0)) {
                                if ('/' == uri.charAt(1)) {
                                    uri = loc.protocol + uri;
                                } else {
                                    uri = loc.hostname + uri;
                                }
                            }

                            if (!/^(https?|wss?):\/\//.test(uri)) {
                                debug('protocol-less url %s', uri);
                                if ('undefined' != typeof loc) {
                                    uri = loc.protocol + '//' + uri;
                                } else {
                                    uri = 'https://' + uri;
                                }
                            }

                            // parse
                            debug('parse %s', uri);
                            obj = parseuri(uri);
                        }

                        // make sure we treat `localhost:80` and `localhost` equally
                        if (!obj.port) {
                            if (/^(http|ws)$/.test(obj.protocol)) {
                                obj.port = '80';
                            } else if (/^(http|ws)s$/.test(obj.protocol)) {
                                obj.port = '443';
                            }
                        }

                        obj.path = obj.path || '/';

                        // define unique id
                        obj.id = obj.protocol + '://' + obj.host + ':' + obj.port;
                        // define href
                        obj.href = obj.protocol + '://' + obj.host + (loc && loc.port == obj.port ? '' : (':' + obj.port));

                        return obj;
                    }

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "debug": 10,
                "parseuri": 44
            }],
            7: [function (_dereq_, module, exports) {

                /**
                 * Expose `Backoff`.
                 */

                module.exports = Backoff;

                /**
                 * Initialize backoff timer with `opts`.
                 *
                 * - `min` initial timeout in milliseconds [100]
                 * - `max` max timeout [10000]
                 * - `jitter` [0]
                 * - `factor` [2]
                 *
                 * @param {Object} opts
                 * @api public
                 */

                function Backoff(opts) {
                    opts = opts || {};
                    this.ms = opts.min || 100;
                    this.max = opts.max || 10000;
                    this.factor = opts.factor || 2;
                    this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
                    this.attempts = 0;
                }

                /**
                 * Return the backoff duration.
                 *
                 * @return {Number}
                 * @api public
                 */

                Backoff.prototype.duration = function () {
                    var ms = this.ms * Math.pow(this.factor, this.attempts++);
                    if (this.jitter) {
                        var rand = Math.random();
                        var deviation = Math.floor(rand * this.jitter * ms);
                        ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
                    }
                    return Math.min(ms, this.max) | 0;
                };

                /**
                 * Reset the number of attempts.
                 *
                 * @api public
                 */

                Backoff.prototype.reset = function () {
                    this.attempts = 0;
                };

                /**
                 * Set the minimum duration
                 *
                 * @api public
                 */

                Backoff.prototype.setMin = function (min) {
                    this.ms = min;
                };

                /**
                 * Set the maximum duration
                 *
                 * @api public
                 */

                Backoff.prototype.setMax = function (max) {
                    this.max = max;
                };

                /**
                 * Set the jitter
                 *
                 * @api public
                 */

                Backoff.prototype.setJitter = function (jitter) {
                    this.jitter = jitter;
                };


            }, {}],
            8: [function (_dereq_, module, exports) {
                /**
                 * Slice reference.
                 */

                var slice = [].slice;

                /**
                 * Bind `obj` to `fn`.
                 *
                 * @param {Object} obj
                 * @param {Function|String} fn or string
                 * @return {Function}
                 * @api public
                 */

                module.exports = function (obj, fn) {
                    if ('string' == typeof fn) fn = obj[fn];
                    if ('function' != typeof fn) throw new Error('bind() requires a function');
                    var args = slice.call(arguments, 2);
                    return function () {
                        return fn.apply(obj, args.concat(slice.call(arguments)));
                    }
                };

            }, {}],
            9: [function (_dereq_, module, exports) {

                /**
                 * Expose `Emitter`.
                 */

                module.exports = Emitter;

                /**
                 * Initialize a new `Emitter`.
                 *
                 * @api public
                 */

                function Emitter(obj) {
                    if (obj) return mixin(obj);
                };

                /**
                 * Mixin the emitter properties.
                 *
                 * @param {Object} obj
                 * @return {Object}
                 * @api private
                 */

                function mixin(obj) {
                    for (var key in Emitter.prototype) {
                        obj[key] = Emitter.prototype[key];
                    }
                    return obj;
                }

                /**
                 * Listen on the given `event` with `fn`.
                 *
                 * @param {String} event
                 * @param {Function} fn
                 * @return {Emitter}
                 * @api public
                 */

                Emitter.prototype.on =
                    Emitter.prototype.addEventListener = function (event, fn) {
                        this._callbacks = this._callbacks || {};
                        (this._callbacks[event] = this._callbacks[event] || [])
                        .push(fn);
                        return this;
                    };

                /**
                 * Adds an `event` listener that will be invoked a single
                 * time then automatically removed.
                 *
                 * @param {String} event
                 * @param {Function} fn
                 * @return {Emitter}
                 * @api public
                 */

                Emitter.prototype.once = function (event, fn) {
                    var self = this;
                    this._callbacks = this._callbacks || {};

                    function on() {
                        self.off(event, on);
                        fn.apply(this, arguments);
                    }

                    on.fn = fn;
                    this.on(event, on);
                    return this;
                };

                /**
                 * Remove the given callback for `event` or all
                 * registered callbacks.
                 *
                 * @param {String} event
                 * @param {Function} fn
                 * @return {Emitter}
                 * @api public
                 */

                Emitter.prototype.off =
                    Emitter.prototype.removeListener =
                    Emitter.prototype.removeAllListeners =
                    Emitter.prototype.removeEventListener = function (event, fn) {
                        this._callbacks = this._callbacks || {};

                        // all
                        if (0 == arguments.length) {
                            this._callbacks = {};
                            return this;
                        }

                        // specific event
                        var callbacks = this._callbacks[event];
                        if (!callbacks) return this;

                        // remove all handlers
                        if (1 == arguments.length) {
                            delete this._callbacks[event];
                            return this;
                        }

                        // remove specific handler
                        var cb;
                        for (var i = 0; i < callbacks.length; i++) {
                            cb = callbacks[i];
                            if (cb === fn || cb.fn === fn) {
                                callbacks.splice(i, 1);
                                break;
                            }
                        }
                        return this;
                    };

                /**
                 * Emit `event` with the given args.
                 *
                 * @param {String} event
                 * @param {Mixed} ...
                 * @return {Emitter}
                 */

                Emitter.prototype.emit = function (event) {
                    this._callbacks = this._callbacks || {};
                    var args = [].slice.call(arguments, 1),
                        callbacks = this._callbacks[event];

                    if (callbacks) {
                        callbacks = callbacks.slice(0);
                        for (var i = 0, len = callbacks.length; i < len; ++i) {
                            callbacks[i].apply(this, args);
                        }
                    }

                    return this;
                };

                /**
                 * Return array of callbacks for `event`.
                 *
                 * @param {String} event
                 * @return {Array}
                 * @api public
                 */

                Emitter.prototype.listeners = function (event) {
                    this._callbacks = this._callbacks || {};
                    return this._callbacks[event] || [];
                };

                /**
                 * Check if this emitter has `event` handlers.
                 *
                 * @param {String} event
                 * @return {Boolean}
                 * @api public
                 */

                Emitter.prototype.hasListeners = function (event) {
                    return !!this.listeners(event).length;
                };

            }, {}],
            10: [function (_dereq_, module, exports) {

                /**
                 * Expose `debug()` as the module.
                 */

                module.exports = debug;

                /**
                 * Create a debugger with the given `name`.
                 *
                 * @param {String} name
                 * @return {Type}
                 * @api public
                 */

                function debug(name) {
                    if (!debug.enabled(name)) return function () {};

                    return function (fmt) {
                        fmt = coerce(fmt);

                        var curr = new Date;
                        var ms = curr - (debug[name] || curr);
                        debug[name] = curr;

                        fmt = name +
                            ' ' +
                            fmt +
                            ' +' + debug.humanize(ms);

                        // This hackery is required for IE8
                        // where `console.log` doesn't have 'apply'
                        window.console &&
                            console.log &&
                            Function.prototype.apply.call(console.log, console, arguments);
                    }
                }

                /**
                 * The currently active debug mode names.
                 */

                debug.names = [];
                debug.skips = [];

                /**
                 * Enables a debug mode by name. This can include modes
                 * separated by a colon and wildcards.
                 *
                 * @param {String} name
                 * @api public
                 */

                debug.enable = function (name) {
                    try {
                        localStorage.debug = name;
                    } catch (e) {}

                    var split = (name || '').split(/[\s,]+/),
                        len = split.length;

                    for (var i = 0; i < len; i++) {
                        name = split[i].replace('*', '.*?');
                        if (name[0] === '-') {
                            debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
                        } else {
                            debug.names.push(new RegExp('^' + name + '$'));
                        }
                    }
                };

                /**
                 * Disable debug output.
                 *
                 * @api public
                 */

                debug.disable = function () {
                    debug.enable('');
                };

                /**
                 * Humanize the given `ms`.
                 *
                 * @param {Number} m
                 * @return {String}
                 * @api private
                 */

                debug.humanize = function (ms) {
                    var sec = 1000,
                        min = 60 * 1000,
                        hour = 60 * min;

                    if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
                    if (ms >= min) return (ms / min).toFixed(1) + 'm';
                    if (ms >= sec) return (ms / sec | 0) + 's';
                    return ms + 'ms';
                };

                /**
                 * Returns true if the given mode name is enabled, false otherwise.
                 *
                 * @param {String} name
                 * @return {Boolean}
                 * @api public
                 */

                debug.enabled = function (name) {
                    for (var i = 0, len = debug.skips.length; i < len; i++) {
                        if (debug.skips[i].test(name)) {
                            return false;
                        }
                    }
                    for (var i = 0, len = debug.names.length; i < len; i++) {
                        if (debug.names[i].test(name)) {
                            return true;
                        }
                    }
                    return false;
                };

                /**
                 * Coerce `val`.
                 */

                function coerce(val) {
                    if (val instanceof Error) return val.stack || val.message;
                    return val;
                }

                // persist

                try {
                    if (window.localStorage) debug.enable(localStorage.debug);
                } catch (e) {}

            }, {}],
            11: [function (_dereq_, module, exports) {

                module.exports = _dereq_('./lib/');

            }, {
                "./lib/": 12
            }],
            12: [function (_dereq_, module, exports) {

                module.exports = _dereq_('./socket');

                /**
                 * Exports parser
                 *
                 * @api public
                 *
                 */
                module.exports.parser = _dereq_('engine.io-parser');

            }, {
                "./socket": 13,
                "engine.io-parser": 25
            }],
            13: [function (_dereq_, module, exports) {
                (function (global) {
                    /**
                     * Module dependencies.
                     */

                    var transports = _dereq_('./transports');
                    var Emitter = _dereq_('component-emitter');
                    var debug = _dereq_('debug')('engine.io-client:socket');
                    var index = _dereq_('indexof');
                    var parser = _dereq_('engine.io-parser');
                    var parseuri = _dereq_('parseuri');
                    var parsejson = _dereq_('parsejson');
                    var parseqs = _dereq_('parseqs');

                    /**
                     * Module exports.
                     */

                    module.exports = Socket;

                    /**
                     * Noop function.
                     *
                     * @api private
                     */

                    function noop() {}

                    /**
                     * Socket constructor.
                     *
                     * @param {String|Object} uri or options
                     * @param {Object} options
                     * @api public
                     */

                    function Socket(uri, opts) {
                        if (!(this instanceof Socket)) return new Socket(uri, opts);

                        opts = opts || {};

                        if (uri && 'object' == typeof uri) {
                            opts = uri;
                            uri = null;
                        }

                        if (uri) {
                            uri = parseuri(uri);
                            opts.host = uri.host;
                            opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
                            opts.port = uri.port;
                            if (uri.query) opts.query = uri.query;
                        }

                        this.secure = null != opts.secure ? opts.secure :
                            (global.location && 'https:' == location.protocol);

                        if (opts.host) {
                            var pieces = opts.host.split(':');
                            opts.hostname = pieces.shift();
                            if (pieces.length) {
                                opts.port = pieces.pop();
                            } else if (!opts.port) {
                                // if no port is specified manually, use the protocol default
                                opts.port = this.secure ? '443' : '80';
                            }
                        }

                        this.agent = opts.agent || false;
                        this.hostname = opts.hostname ||
                            (global.location ? location.hostname : 'localhost');
                        this.port = opts.port || (global.location && location.port ?
                            location.port :
                            (this.secure ? 443 : 80));
                        this.query = opts.query || {};
                        if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
                        this.upgrade = false !== opts.upgrade;
                        this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
                        this.forceJSONP = !!opts.forceJSONP;
                        this.jsonp = false !== opts.jsonp;
                        this.forceBase64 = !!opts.forceBase64;
                        this.enablesXDR = !!opts.enablesXDR;
                        this.timestampParam = opts.timestampParam || 't';
                        this.timestampRequests = opts.timestampRequests;
                        this.transports = opts.transports || ['polling', 'websocket'];
                        this.readyState = '';
                        this.writeBuffer = [];
                        this.callbackBuffer = [];
                        this.policyPort = opts.policyPort || 843;
                        this.rememberUpgrade = opts.rememberUpgrade || false;
                        this.binaryType = null;
                        this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;

                        // SSL options for Node.js client
                        this.pfx = opts.pfx || null;
                        this.key = opts.key || null;
                        this.passphrase = opts.passphrase || null;
                        this.cert = opts.cert || null;
                        this.ca = opts.ca || null;
                        this.ciphers = opts.ciphers || null;
                        this.rejectUnauthorized = opts.rejectUnauthorized || null;

                        this.open();
                    }

                    Socket.priorWebsocketSuccess = false;

                    /**
                     * Mix in `Emitter`.
                     */

                    Emitter(Socket.prototype);

                    /**
                     * Protocol version.
                     *
                     * @api public
                     */

                    Socket.protocol = parser.protocol; // this is an int

                    /**
                     * Expose deps for legacy compatibility
                     * and standalone browser access.
                     */

                    Socket.Socket = Socket;
                    Socket.Transport = _dereq_('./transport');
                    Socket.transports = _dereq_('./transports');
                    Socket.parser = _dereq_('engine.io-parser');

                    /**
                     * Creates transport of the given type.
                     *
                     * @param {String} transport name
                     * @return {Transport}
                     * @api private
                     */

                    Socket.prototype.createTransport = function (name) {
                        debug('creating transport "%s"', name);
                        var query = clone(this.query);

                        // append engine.io protocol identifier
                        query.EIO = parser.protocol;

                        // transport name
                        query.transport = name;

                        // session id if we already have one
                        if (this.id) query.sid = this.id;

                        var transport = new transports[name]({
                            agent: this.agent,
                            hostname: this.hostname,
                            port: this.port,
                            secure: this.secure,
                            path: this.path,
                            query: query,
                            forceJSONP: this.forceJSONP,
                            jsonp: this.jsonp,
                            forceBase64: this.forceBase64,
                            enablesXDR: this.enablesXDR,
                            timestampRequests: this.timestampRequests,
                            timestampParam: this.timestampParam,
                            policyPort: this.policyPort,
                            socket: this,
                            pfx: this.pfx,
                            key: this.key,
                            passphrase: this.passphrase,
                            cert: this.cert,
                            ca: this.ca,
                            ciphers: this.ciphers,
                            rejectUnauthorized: this.rejectUnauthorized
                        });

                        return transport;
                    };

                    function clone(obj) {
                        var o = {};
                        for (var i in obj) {
                            if (obj.hasOwnProperty(i)) {
                                o[i] = obj[i];
                            }
                        }
                        return o;
                    }

                    /**
                     * Initializes transport to use and starts probe.
                     *
                     * @api private
                     */
                    Socket.prototype.open = function () {
                        var transport;
                        if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
                            transport = 'websocket';
                        } else if (0 == this.transports.length) {
                            // Emit error on next tick so it can be listened to
                            var self = this;
                            setTimeout(function () {
                                self.emit('error', 'No transports available');
                            }, 0);
                            return;
                        } else {
                            transport = this.transports[0];
                        }
                        this.readyState = 'opening';

                        // Retry with the next transport if the transport is disabled (jsonp: false)
                        var transport;
                        try {
                            transport = this.createTransport(transport);
                        } catch (e) {
                            this.transports.shift();
                            this.open();
                            return;
                        }

                        transport.open();
                        this.setTransport(transport);
                    };

                    /**
                     * Sets the current transport. Disables the existing one (if any).
                     *
                     * @api private
                     */

                    Socket.prototype.setTransport = function (transport) {
                        debug('setting transport %s', transport.name);
                        var self = this;

                        if (this.transport) {
                            debug('clearing existing transport %s', this.transport.name);
                            this.transport.removeAllListeners();
                        }

                        // set up transport
                        this.transport = transport;

                        // set up transport listeners
                        transport
                            .on('drain', function () {
                                self.onDrain();
                            })
                            .on('packet', function (packet) {
                                self.onPacket(packet);
                            })
                            .on('error', function (e) {
                                self.onError(e);
                            })
                            .on('close', function () {
                                self.onClose('transport close');
                            });
                    };

                    /**
                     * Probes a transport.
                     *
                     * @param {String} transport name
                     * @api private
                     */

                    Socket.prototype.probe = function (name) {
                        debug('probing transport "%s"', name);
                        var transport = this.createTransport(name, {
                                probe: 1
                            }),
                            failed = false,
                            self = this;

                        Socket.priorWebsocketSuccess = false;

                        function onTransportOpen() {
                            if (self.onlyBinaryUpgrades) {
                                var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
                                failed = failed || upgradeLosesBinary;
                            }
                            if (failed) return;

                            debug('probe transport "%s" opened', name);
                            transport.send([{
                                type: 'ping',
                                data: 'probe'
                            }]);
                            transport.once('packet', function (msg) {
                                if (failed) return;
                                if ('pong' == msg.type && 'probe' == msg.data) {
                                    debug('probe transport "%s" pong', name);
                                    self.upgrading = true;
                                    self.emit('upgrading', transport);
                                    if (!transport) return;
                                    Socket.priorWebsocketSuccess = 'websocket' == transport.name;

                                    debug('pausing current transport "%s"', self.transport.name);
                                    self.transport.pause(function () {
                                        if (failed) return;
                                        if ('closed' == self.readyState) return;
                                        debug('changing transport and sending upgrade packet');

                                        cleanup();

                                        self.setTransport(transport);
                                        transport.send([{
                                            type: 'upgrade'
                                        }]);
                                        self.emit('upgrade', transport);
                                        transport = null;
                                        self.upgrading = false;
                                        self.flush();
                                    });
                                } else {
                                    debug('probe transport "%s" failed', name);
                                    var err = new Error('probe error');
                                    err.transport = transport.name;
                                    self.emit('upgradeError', err);
                                }
                            });
                        }

                        function freezeTransport() {
                            if (failed) return;

                            // Any callback called by transport should be ignored since now
                            failed = true;

                            cleanup();

                            transport.close();
                            transport = null;
                        }

                        //Handle any error that happens while probing
                        function onerror(err) {
                            var error = new Error('probe error: ' + err);
                            error.transport = transport.name;

                            freezeTransport();

                            debug('probe transport "%s" failed because of error: %s', name, err);

                            self.emit('upgradeError', error);
                        }

                        function onTransportClose() {
                            onerror("transport closed");
                        }

                        //When the socket is closed while we're probing
                        function onclose() {
                            onerror("socket closed");
                        }

                        //When the socket is upgraded while we're probing
                        function onupgrade(to) {
                            if (transport && to.name != transport.name) {
                                debug('"%s" works - aborting "%s"', to.name, transport.name);
                                freezeTransport();
                            }
                        }

                        //Remove all listeners on the transport and on self
                        function cleanup() {
                            transport.removeListener('open', onTransportOpen);
                            transport.removeListener('error', onerror);
                            transport.removeListener('close', onTransportClose);
                            self.removeListener('close', onclose);
                            self.removeListener('upgrading', onupgrade);
                        }

                        transport.once('open', onTransportOpen);
                        transport.once('error', onerror);
                        transport.once('close', onTransportClose);

                        this.once('close', onclose);
                        this.once('upgrading', onupgrade);

                        transport.open();

                    };

                    /**
                     * Called when connection is deemed open.
                     *
                     * @api public
                     */

                    Socket.prototype.onOpen = function () {
                        debug('socket open');
                        this.readyState = 'open';
                        Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
                        this.emit('open');
                        this.flush();

                        // we check for `readyState` in case an `open`
                        // listener already closed the socket
                        if ('open' == this.readyState && this.upgrade && this.transport.pause) {
                            debug('starting upgrade probes');
                            for (var i = 0, l = this.upgrades.length; i < l; i++) {
                                this.probe(this.upgrades[i]);
                            }
                        }
                    };

                    /**
                     * Handles a packet.
                     *
                     * @api private
                     */

                    Socket.prototype.onPacket = function (packet) {
                        if ('opening' == this.readyState || 'open' == this.readyState) {
                            debug('socket receive: type "%s", data "%s"', packet.type, packet.data);

                            this.emit('packet', packet);

                            // Socket is live - any packet counts
                            this.emit('heartbeat');

                            switch (packet.type) {
                                case 'open':
                                    this.onHandshake(parsejson(packet.data));
                                    break;

                                case 'pong':
                                    this.setPing();
                                    break;

                                case 'error':
                                    var err = new Error('server error');
                                    err.code = packet.data;
                                    this.emit('error', err);
                                    break;

                                case 'message':
                                    this.emit('data', packet.data);
                                    this.emit('message', packet.data);
                                    break;
                            }
                        } else {
                            debug('packet received with socket readyState "%s"', this.readyState);
                        }
                    };

                    /**
                     * Called upon handshake completion.
                     *
                     * @param {Object} handshake obj
                     * @api private
                     */

                    Socket.prototype.onHandshake = function (data) {
                        this.emit('handshake', data);
                        this.id = data.sid;
                        this.transport.query.sid = data.sid;
                        this.upgrades = this.filterUpgrades(data.upgrades);
                        this.pingInterval = data.pingInterval;
                        this.pingTimeout = data.pingTimeout;
                        this.onOpen();
                        // In case open handler closes socket
                        if ('closed' == this.readyState) return;
                        this.setPing();

                        // Prolong liveness of socket on heartbeat
                        this.removeListener('heartbeat', this.onHeartbeat);
                        this.on('heartbeat', this.onHeartbeat);
                    };

                    /**
                     * Resets ping timeout.
                     *
                     * @api private
                     */

                    Socket.prototype.onHeartbeat = function (timeout) {
                        clearTimeout(this.pingTimeoutTimer);
                        var self = this;
                        self.pingTimeoutTimer = setTimeout(function () {
                            if ('closed' == self.readyState) return;
                            self.onClose('ping timeout');
                        }, timeout || (self.pingInterval + self.pingTimeout));
                    };

                    /**
                     * Pings server every `this.pingInterval` and expects response
                     * within `this.pingTimeout` or closes connection.
                     *
                     * @api private
                     */

                    Socket.prototype.setPing = function () {
                        var self = this;
                        clearTimeout(self.pingIntervalTimer);
                        self.pingIntervalTimer = setTimeout(function () {
                            debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
                            self.ping();
                            self.onHeartbeat(self.pingTimeout);
                        }, self.pingInterval);
                    };

                    /**
                     * Sends a ping packet.
                     *
                     * @api public
                     */

                    Socket.prototype.ping = function () {
                        this.sendPacket('ping');
                    };

                    /**
                     * Called on `drain` event
                     *
                     * @api private
                     */

                    Socket.prototype.onDrain = function () {
                        for (var i = 0; i < this.prevBufferLen; i++) {
                            if (this.callbackBuffer[i]) {
                                this.callbackBuffer[i]();
                            }
                        }

                        this.writeBuffer.splice(0, this.prevBufferLen);
                        this.callbackBuffer.splice(0, this.prevBufferLen);

                        // setting prevBufferLen = 0 is very important
                        // for example, when upgrading, upgrade packet is sent over,
                        // and a nonzero prevBufferLen could cause problems on `drain`
                        this.prevBufferLen = 0;

                        if (this.writeBuffer.length == 0) {
                            this.emit('drain');
                        } else {
                            this.flush();
                        }
                    };

                    /**
                     * Flush write buffers.
                     *
                     * @api private
                     */

                    Socket.prototype.flush = function () {
                        if ('closed' != this.readyState && this.transport.writable &&
                            !this.upgrading && this.writeBuffer.length) {
                            debug('flushing %d packets in socket', this.writeBuffer.length);
                            this.transport.send(this.writeBuffer);
                            // keep track of current length of writeBuffer
                            // splice writeBuffer and callbackBuffer on `drain`
                            this.prevBufferLen = this.writeBuffer.length;
                            this.emit('flush');
                        }
                    };

                    /**
                     * Sends a message.
                     *
                     * @param {String} message.
                     * @param {Function} callback function.
                     * @return {Socket} for chaining.
                     * @api public
                     */

                    Socket.prototype.write =
                        Socket.prototype.send = function (msg, fn) {
                            this.sendPacket('message', msg, fn);
                            return this;
                        };

                    /**
                     * Sends a packet.
                     *
                     * @param {String} packet type.
                     * @param {String} data.
                     * @param {Function} callback function.
                     * @api private
                     */

                    Socket.prototype.sendPacket = function (type, data, fn) {
                        if ('closing' == this.readyState || 'closed' == this.readyState) {
                            return;
                        }

                        var packet = {
                            type: type,
                            data: data
                        };
                        this.emit('packetCreate', packet);
                        this.writeBuffer.push(packet);
                        this.callbackBuffer.push(fn);
                        this.flush();
                    };

                    /**
                     * Closes the connection.
                     *
                     * @api private
                     */

                    Socket.prototype.close = function () {
                        if ('opening' == this.readyState || 'open' == this.readyState) {
                            this.readyState = 'closing';

                            var self = this;

                            function close() {
                                self.onClose('forced close');
                                debug('socket closing - telling transport to close');
                                self.transport.close();
                            }

                            function cleanupAndClose() {
                                self.removeListener('upgrade', cleanupAndClose);
                                self.removeListener('upgradeError', cleanupAndClose);
                                close();
                            }

                            function waitForUpgrade() {
                                // wait for upgrade to finish since we can't send packets while pausing a transport
                                self.once('upgrade', cleanupAndClose);
                                self.once('upgradeError', cleanupAndClose);
                            }

                            if (this.writeBuffer.length) {
                                this.once('drain', function () {
                                    if (this.upgrading) {
                                        waitForUpgrade();
                                    } else {
                                        close();
                                    }
                                });
                            } else if (this.upgrading) {
                                waitForUpgrade();
                            } else {
                                close();
                            }
                        }

                        return this;
                    };

                    /**
                     * Called upon transport error
                     *
                     * @api private
                     */

                    Socket.prototype.onError = function (err) {
                        debug('socket error %j', err);
                        Socket.priorWebsocketSuccess = false;
                        this.emit('error', err);
                        this.onClose('transport error', err);
                    };

                    /**
                     * Called upon transport close.
                     *
                     * @api private
                     */

                    Socket.prototype.onClose = function (reason, desc) {
                        if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
                            debug('socket close with reason: "%s"', reason);
                            var self = this;

                            // clear timers
                            clearTimeout(this.pingIntervalTimer);
                            clearTimeout(this.pingTimeoutTimer);

                            // clean buffers in next tick, so developers can still
                            // grab the buffers on `close` event
                            setTimeout(function () {
                                self.writeBuffer = [];
                                self.callbackBuffer = [];
                                self.prevBufferLen = 0;
                            }, 0);

                            // stop event from firing again for transport
                            this.transport.removeAllListeners('close');

                            // ensure transport won't stay open
                            this.transport.close();

                            // ignore further transport communication
                            this.transport.removeAllListeners();

                            // set ready state
                            this.readyState = 'closed';

                            // clear session id
                            this.id = null;

                            // emit close event
                            this.emit('close', reason, desc);
                        }
                    };

                    /**
                     * Filters upgrades, returning only those matching client transports.
                     *
                     * @param {Array} server upgrades
                     * @api private
                     *
                     */

                    Socket.prototype.filterUpgrades = function (upgrades) {
                        var filteredUpgrades = [];
                        for (var i = 0, j = upgrades.length; i < j; i++) {
                            if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
                        }
                        return filteredUpgrades;
                    };

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "./transport": 14,
                "./transports": 15,
                "component-emitter": 9,
                "debug": 22,
                "engine.io-parser": 25,
                "indexof": 42,
                "parsejson": 34,
                "parseqs": 35,
                "parseuri": 36
            }],
            14: [function (_dereq_, module, exports) {
                /**
                 * Module dependencies.
                 */

                var parser = _dereq_('engine.io-parser');
                var Emitter = _dereq_('component-emitter');

                /**
                 * Module exports.
                 */

                module.exports = Transport;

                /**
                 * Transport abstract constructor.
                 *
                 * @param {Object} options.
                 * @api private
                 */

                function Transport(opts) {
                    this.path = opts.path;
                    this.hostname = opts.hostname;
                    this.port = opts.port;
                    this.secure = opts.secure;
                    this.query = opts.query;
                    this.timestampParam = opts.timestampParam;
                    this.timestampRequests = opts.timestampRequests;
                    this.readyState = '';
                    this.agent = opts.agent || false;
                    this.socket = opts.socket;
                    this.enablesXDR = opts.enablesXDR;

                    // SSL options for Node.js client
                    this.pfx = opts.pfx;
                    this.key = opts.key;
                    this.passphrase = opts.passphrase;
                    this.cert = opts.cert;
                    this.ca = opts.ca;
                    this.ciphers = opts.ciphers;
                    this.rejectUnauthorized = opts.rejectUnauthorized;
                }

                /**
                 * Mix in `Emitter`.
                 */

                Emitter(Transport.prototype);

                /**
                 * A counter used to prevent collisions in the timestamps used
                 * for cache busting.
                 */

                Transport.timestamps = 0;

                /**
                 * Emits an error.
                 *
                 * @param {String} str
                 * @return {Transport} for chaining
                 * @api public
                 */

                Transport.prototype.onError = function (msg, desc) {
                    var err = new Error(msg);
                    err.type = 'TransportError';
                    err.description = desc;
                    this.emit('error', err);
                    return this;
                };

                /**
                 * Opens the transport.
                 *
                 * @api public
                 */

                Transport.prototype.open = function () {
                    if ('closed' == this.readyState || '' == this.readyState) {
                        this.readyState = 'opening';
                        this.doOpen();
                    }

                    return this;
                };

                /**
                 * Closes the transport.
                 *
                 * @api private
                 */

                Transport.prototype.close = function () {
                    if ('opening' == this.readyState || 'open' == this.readyState) {
                        this.doClose();
                        this.onClose();
                    }

                    return this;
                };

                /**
                 * Sends multiple packets.
                 *
                 * @param {Array} packets
                 * @api private
                 */

                Transport.prototype.send = function (packets) {
                    if ('open' == this.readyState) {
                        this.write(packets);
                    } else {
                        throw new Error('Transport not open');
                    }
                };

                /**
                 * Called upon open
                 *
                 * @api private
                 */

                Transport.prototype.onOpen = function () {
                    this.readyState = 'open';
                    this.writable = true;
                    this.emit('open');
                };

                /**
                 * Called with data.
                 *
                 * @param {String} data
                 * @api private
                 */

                Transport.prototype.onData = function (data) {
                    var packet = parser.decodePacket(data, this.socket.binaryType);
                    this.onPacket(packet);
                };

                /**
                 * Called with a decoded packet.
                 */

                Transport.prototype.onPacket = function (packet) {
                    this.emit('packet', packet);
                };

                /**
                 * Called upon close.
                 *
                 * @api private
                 */

                Transport.prototype.onClose = function () {
                    this.readyState = 'closed';
                    this.emit('close');
                };

            }, {
                "component-emitter": 9,
                "engine.io-parser": 25
            }],
            15: [function (_dereq_, module, exports) {
                (function (global) {
                    /**
                     * Module dependencies
                     */

                    var XMLHttpRequest = _dereq_('xmlhttprequest');
                    var XHR = _dereq_('./polling-xhr');
                    var JSONP = _dereq_('./polling-jsonp');
                    var websocket = _dereq_('./websocket');

                    /**
                     * Export transports.
                     */

                    exports.polling = polling;
                    exports.websocket = websocket;

                    /**
                     * Polling transport polymorphic constructor.
                     * Decides on xhr vs jsonp based on feature detection.
                     *
                     * @api private
                     */

                    function polling(opts) {
                        var xhr;
                        var xd = false;
                        var xs = false;
                        var jsonp = false !== opts.jsonp;

                        if (global.location) {
                            var isSSL = 'https:' == location.protocol;
                            var port = location.port;

                            // some user agents have empty `location.port`
                            if (!port) {
                                port = isSSL ? 443 : 80;
                            }

                            xd = opts.hostname != location.hostname || port != opts.port;
                            xs = opts.secure != isSSL;
                        }

                        opts.xdomain = xd;
                        opts.xscheme = xs;
                        xhr = new XMLHttpRequest(opts);

                        if ('open' in xhr && !opts.forceJSONP) {
                            return new XHR(opts);
                        } else {
                            if (!jsonp) throw new Error('JSONP disabled');
                            return new JSONP(opts);
                        }
                    }

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "./polling-jsonp": 16,
                "./polling-xhr": 17,
                "./websocket": 19,
                "xmlhttprequest": 20
            }],
            16: [function (_dereq_, module, exports) {
                (function (global) {

                    /**
                     * Module requirements.
                     */

                    var Polling = _dereq_('./polling');
                    var inherit = _dereq_('component-inherit');

                    /**
                     * Module exports.
                     */

                    module.exports = JSONPPolling;

                    /**
                     * Cached regular expressions.
                     */

                    var rNewline = /\n/g;
                    var rEscapedNewline = /\\n/g;

                    /**
                     * Global JSONP callbacks.
                     */

                    var callbacks;

                    /**
                     * Callbacks count.
                     */

                    var index = 0;

                    /**
                     * Noop.
                     */

                    function empty() {}

                    /**
                     * JSONP Polling constructor.
                     *
                     * @param {Object} opts.
                     * @api public
                     */

                    function JSONPPolling(opts) {
                        Polling.call(this, opts);

                        this.query = this.query || {};

                        // define global callbacks array if not present
                        // we do this here (lazily) to avoid unneeded global pollution
                        if (!callbacks) {
                            // we need to consider multiple engines in the same page
                            if (!global.___eio) global.___eio = [];
                            callbacks = global.___eio;
                        }

                        // callback identifier
                        this.index = callbacks.length;

                        // add callback to jsonp global
                        var self = this;
                        callbacks.push(function (msg) {
                            self.onData(msg);
                        });

                        // append to query string
                        this.query.j = this.index;

                        // prevent spurious errors from being emitted when the window is unloaded
                        if (global.document && global.addEventListener) {
                            global.addEventListener('beforeunload', function () {
                                if (self.script) self.script.onerror = empty;
                            }, false);
                        }
                    }

                    /**
                     * Inherits from Polling.
                     */

                    inherit(JSONPPolling, Polling);

                    /*
                     * JSONP only supports binary as base64 encoded strings
                     */

                    JSONPPolling.prototype.supportsBinary = false;

                    /**
                     * Closes the socket.
                     *
                     * @api private
                     */

                    JSONPPolling.prototype.doClose = function () {
                        if (this.script) {
                            this.script.parentNode.removeChild(this.script);
                            this.script = null;
                        }

                        if (this.form) {
                            this.form.parentNode.removeChild(this.form);
                            this.form = null;
                            this.iframe = null;
                        }

                        Polling.prototype.doClose.call(this);
                    };

                    /**
                     * Starts a poll cycle.
                     *
                     * @api private
                     */

                    JSONPPolling.prototype.doPoll = function () {
                        var self = this;
                        var script = document.createElement('script');

                        if (this.script) {
                            this.script.parentNode.removeChild(this.script);
                            this.script = null;
                        }

                        script.async = true;
                        script.src = this.uri();
                        script.onerror = function (e) {
                            self.onError('jsonp poll error', e);
                        };

                        var insertAt = document.getElementsByTagName('script')[0];
                        insertAt.parentNode.insertBefore(script, insertAt);
                        this.script = script;

                        var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);

                        if (isUAgecko) {
                            setTimeout(function () {
                                var iframe = document.createElement('iframe');
                                document.body.appendChild(iframe);
                                document.body.removeChild(iframe);
                            }, 100);
                        }
                    };

                    /**
                     * Writes with a hidden iframe.
                     *
                     * @param {String} data to send
                     * @param {Function} called upon flush.
                     * @api private
                     */

                    JSONPPolling.prototype.doWrite = function (data, fn) {
                        var self = this;

                        if (!this.form) {
                            var form = document.createElement('form');
                            var area = document.createElement('textarea');
                            var id = this.iframeId = 'eio_iframe_' + this.index;
                            var iframe;

                            form.className = 'socketio';
                            form.style.position = 'absolute';
                            form.style.top = '-1000px';
                            form.style.left = '-1000px';
                            form.target = id;
                            form.method = 'POST';
                            form.setAttribute('accept-charset', 'utf-8');
                            area.name = 'd';
                            form.appendChild(area);
                            document.body.appendChild(form);

                            this.form = form;
                            this.area = area;
                        }

                        this.form.action = this.uri();

                        function complete() {
                            initIframe();
                            fn();
                        }

                        function initIframe() {
                            if (self.iframe) {
                                try {
                                    self.form.removeChild(self.iframe);
                                } catch (e) {
                                    self.onError('jsonp polling iframe removal error', e);
                                }
                            }

                            try {
                                // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
                                var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
                                iframe = document.createElement(html);
                            } catch (e) {
                                iframe = document.createElement('iframe');
                                iframe.name = self.iframeId;
                                iframe.src = 'javascript:0';
                            }

                            iframe.id = self.iframeId;

                            self.form.appendChild(iframe);
                            self.iframe = iframe;
                        }

                        initIframe();

                        // escape \n to prevent it from being converted into \r\n by some UAs
                        // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
                        data = data.replace(rEscapedNewline, '\\\n');
                        this.area.value = data.replace(rNewline, '\\n');

                        try {
                            this.form.submit();
                        } catch (e) {}

                        if (this.iframe.attachEvent) {
                            this.iframe.onreadystatechange = function () {
                                if (self.iframe.readyState == 'complete') {
                                    complete();
                                }
                            };
                        } else {
                            this.iframe.onload = complete;
                        }
                    };

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "./polling": 18,
                "component-inherit": 21
            }],
            17: [function (_dereq_, module, exports) {
                (function (global) {
                    /**
                     * Module requirements.
                     */

                    var XMLHttpRequest = _dereq_('xmlhttprequest');
                    var Polling = _dereq_('./polling');
                    var Emitter = _dereq_('component-emitter');
                    var inherit = _dereq_('component-inherit');
                    var debug = _dereq_('debug')('engine.io-client:polling-xhr');

                    /**
                     * Module exports.
                     */

                    module.exports = XHR;
                    module.exports.Request = Request;

                    /**
                     * Empty function
                     */

                    function empty() {}

                    /**
                     * XHR Polling constructor.
                     *
                     * @param {Object} opts
                     * @api public
                     */

                    function XHR(opts) {
                        Polling.call(this, opts);

                        if (global.location) {
                            var isSSL = 'https:' == location.protocol;
                            var port = location.port;

                            // some user agents have empty `location.port`
                            if (!port) {
                                port = isSSL ? 443 : 80;
                            }

                            this.xd = opts.hostname != global.location.hostname ||
                                port != opts.port;
                            this.xs = opts.secure != isSSL;
                        }
                    }

                    /**
                     * Inherits from Polling.
                     */

                    inherit(XHR, Polling);

                    /**
                     * XHR supports binary
                     */

                    XHR.prototype.supportsBinary = true;

                    /**
                     * Creates a request.
                     *
                     * @param {String} method
                     * @api private
                     */

                    XHR.prototype.request = function (opts) {
                        opts = opts || {};
                        opts.uri = this.uri();
                        opts.xd = this.xd;
                        opts.xs = this.xs;
                        opts.agent = this.agent || false;
                        opts.supportsBinary = this.supportsBinary;
                        opts.enablesXDR = this.enablesXDR;

                        // SSL options for Node.js client
                        opts.pfx = this.pfx;
                        opts.key = this.key;
                        opts.passphrase = this.passphrase;
                        opts.cert = this.cert;
                        opts.ca = this.ca;
                        opts.ciphers = this.ciphers;
                        opts.rejectUnauthorized = this.rejectUnauthorized;

                        return new Request(opts);
                    };

                    /**
                     * Sends data.
                     *
                     * @param {String} data to send.
                     * @param {Function} called upon flush.
                     * @api private
                     */

                    XHR.prototype.doWrite = function (data, fn) {
                        var isBinary = typeof data !== 'string' && data !== undefined;
                        var req = this.request({
                            method: 'POST',
                            data: data,
                            isBinary: isBinary
                        });
                        var self = this;
                        req.on('success', fn);
                        req.on('error', function (err) {
                            self.onError('xhr post error', err);
                        });
                        this.sendXhr = req;
                    };

                    /**
                     * Starts a poll cycle.
                     *
                     * @api private
                     */

                    XHR.prototype.doPoll = function () {
                        debug('xhr poll');
                        var req = this.request();
                        var self = this;
                        req.on('data', function (data) {
                            self.onData(data);
                        });
                        req.on('error', function (err) {
                            self.onError('xhr poll error', err);
                        });
                        this.pollXhr = req;
                    };

                    /**
                     * Request constructor
                     *
                     * @param {Object} options
                     * @api public
                     */

                    function Request(opts) {
                        this.method = opts.method || 'GET';
                        this.uri = opts.uri;
                        this.xd = !!opts.xd;
                        this.xs = !!opts.xs;
                        this.async = false !== opts.async;
                        this.data = undefined != opts.data ? opts.data : null;
                        this.agent = opts.agent;
                        this.isBinary = opts.isBinary;
                        this.supportsBinary = opts.supportsBinary;
                        this.enablesXDR = opts.enablesXDR;

                        // SSL options for Node.js client
                        this.pfx = opts.pfx;
                        this.key = opts.key;
                        this.passphrase = opts.passphrase;
                        this.cert = opts.cert;
                        this.ca = opts.ca;
                        this.ciphers = opts.ciphers;
                        this.rejectUnauthorized = opts.rejectUnauthorized;

                        this.create();
                    }

                    /**
                     * Mix in `Emitter`.
                     */

                    Emitter(Request.prototype);

                    /**
                     * Creates the XHR object and sends the request.
                     *
                     * @api private
                     */

                    Request.prototype.create = function () {
                        var opts = {
                            agent: this.agent,
                            xdomain: this.xd,
                            xscheme: this.xs,
                            enablesXDR: this.enablesXDR
                        };

                        // SSL options for Node.js client
                        opts.pfx = this.pfx;
                        opts.key = this.key;
                        opts.passphrase = this.passphrase;
                        opts.cert = this.cert;
                        opts.ca = this.ca;
                        opts.ciphers = this.ciphers;
                        opts.rejectUnauthorized = this.rejectUnauthorized;

                        var xhr = this.xhr = new XMLHttpRequest(opts);
                        var self = this;

                        try {
                            debug('xhr open %s: %s', this.method, this.uri);
                            xhr.open(this.method, this.uri, this.async);
                            if (this.supportsBinary) {
                                // This has to be done after open because Firefox is stupid
                                // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
                                xhr.responseType = 'arraybuffer';
                            }

                            if ('POST' == this.method) {
                                try {
                                    if (this.isBinary) {
                                        xhr.setRequestHeader('Content-type', 'application/octet-stream');
                                    } else {
                                        xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
                                    }
                                } catch (e) {}
                            }

                            // ie6 check
                            if ('withCredentials' in xhr) {
                                xhr.withCredentials = true;
                            }

                            if (this.hasXDR()) {
                                xhr.onload = function () {
                                    self.onLoad();
                                };
                                xhr.onerror = function () {
                                    self.onError(xhr.responseText);
                                };
                            } else {
                                xhr.onreadystatechange = function () {
                                    if (4 != xhr.readyState) return;
                                    if (200 == xhr.status || 1223 == xhr.status) {
                                        self.onLoad();
                                    } else {
                                        // make sure the `error` event handler that's user-set
                                        // does not throw in the same tick and gets caught here
                                        setTimeout(function () {
                                            self.onError(xhr.status);
                                        }, 0);
                                    }
                                };
                            }

                            debug('xhr data %s', this.data);
                            xhr.send(this.data);
                        } catch (e) {
                            // Need to defer since .create() is called directly fhrom the constructor
                            // and thus the 'error' event can only be only bound *after* this exception
                            // occurs.  Therefore, also, we cannot throw here at all.
                            setTimeout(function () {
                                self.onError(e);
                            }, 0);
                            return;
                        }

                        if (global.document) {
                            this.index = Request.requestsCount++;
                            Request.requests[this.index] = this;
                        }
                    };

                    /**
                     * Called upon successful response.
                     *
                     * @api private
                     */

                    Request.prototype.onSuccess = function () {
                        this.emit('success');
                        this.cleanup();
                    };

                    /**
                     * Called if we have data.
                     *
                     * @api private
                     */

                    Request.prototype.onData = function (data) {
                        this.emit('data', data);
                        this.onSuccess();
                    };

                    /**
                     * Called upon error.
                     *
                     * @api private
                     */

                    Request.prototype.onError = function (err) {
                        this.emit('error', err);
                        this.cleanup(true);
                    };

                    /**
                     * Cleans up house.
                     *
                     * @api private
                     */

                    Request.prototype.cleanup = function (fromError) {
                        if ('undefined' == typeof this.xhr || null === this.xhr) {
                            return;
                        }
                        // xmlhttprequest
                        if (this.hasXDR()) {
                            this.xhr.onload = this.xhr.onerror = empty;
                        } else {
                            this.xhr.onreadystatechange = empty;
                        }

                        if (fromError) {
                            try {
                                this.xhr.abort();
                            } catch (e) {}
                        }

                        if (global.document) {
                            delete Request.requests[this.index];
                        }

                        this.xhr = null;
                    };

                    /**
                     * Called upon load.
                     *
                     * @api private
                     */

                    Request.prototype.onLoad = function () {
                        var data;
                        try {
                            var contentType;
                            try {
                                contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
                            } catch (e) {}
                            if (contentType === 'application/octet-stream') {
                                data = this.xhr.response;
                            } else {
                                if (!this.supportsBinary) {
                                    data = this.xhr.responseText;
                                } else {
                                    data = 'ok';
                                }
                            }
                        } catch (e) {
                            this.onError(e);
                        }
                        if (null != data) {
                            this.onData(data);
                        }
                    };

                    /**
                     * Check if it has XDomainRequest.
                     *
                     * @api private
                     */

                    Request.prototype.hasXDR = function () {
                        return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
                    };

                    /**
                     * Aborts the request.
                     *
                     * @api public
                     */

                    Request.prototype.abort = function () {
                        this.cleanup();
                    };

                    /**
                     * Aborts pending requests when unloading the window. This is needed to prevent
                     * memory leaks (e.g. when using IE) and to ensure that no spurious error is
                     * emitted.
                     */

                    if (global.document) {
                        Request.requestsCount = 0;
                        Request.requests = {};
                        if (global.attachEvent) {
                            global.attachEvent('onunload', unloadHandler);
                        } else if (global.addEventListener) {
                            global.addEventListener('beforeunload', unloadHandler, false);
                        }
                    }

                    function unloadHandler() {
                        for (var i in Request.requests) {
                            if (Request.requests.hasOwnProperty(i)) {
                                Request.requests[i].abort();
                            }
                        }
                    }

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "./polling": 18,
                "component-emitter": 9,
                "component-inherit": 21,
                "debug": 22,
                "xmlhttprequest": 20
            }],
            18: [function (_dereq_, module, exports) {
                /**
                 * Module dependencies.
                 */

                var Transport = _dereq_('../transport');
                var parseqs = _dereq_('parseqs');
                var parser = _dereq_('engine.io-parser');
                var inherit = _dereq_('component-inherit');
                var debug = _dereq_('debug')('engine.io-client:polling');

                /**
                 * Module exports.
                 */

                module.exports = Polling;

                /**
                 * Is XHR2 supported?
                 */

                var hasXHR2 = (function () {
                    var XMLHttpRequest = _dereq_('xmlhttprequest');
                    var xhr = new XMLHttpRequest({
                        xdomain: false
                    });
                    return null != xhr.responseType;
                })();

                /**
                 * Polling interface.
                 *
                 * @param {Object} opts
                 * @api private
                 */

                function Polling(opts) {
                    var forceBase64 = (opts && opts.forceBase64);
                    if (!hasXHR2 || forceBase64) {
                        this.supportsBinary = false;
                    }
                    Transport.call(this, opts);
                }

                /**
                 * Inherits from Transport.
                 */

                inherit(Polling, Transport);

                /**
                 * Transport name.
                 */

                Polling.prototype.name = 'polling';

                /**
                 * Opens the socket (triggers polling). We write a PING message to determine
                 * when the transport is open.
                 *
                 * @api private
                 */

                Polling.prototype.doOpen = function () {
                    this.poll();
                };

                /**
                 * Pauses polling.
                 *
                 * @param {Function} callback upon buffers are flushed and transport is paused
                 * @api private
                 */

                Polling.prototype.pause = function (onPause) {
                    var pending = 0;
                    var self = this;

                    this.readyState = 'pausing';

                    function pause() {
                        debug('paused');
                        self.readyState = 'paused';
                        onPause();
                    }

                    if (this.polling || !this.writable) {
                        var total = 0;

                        if (this.polling) {
                            debug('we are currently polling - waiting to pause');
                            total++;
                            this.once('pollComplete', function () {
                                debug('pre-pause polling complete');
                                --total || pause();
                            });
                        }

                        if (!this.writable) {
                            debug('we are currently writing - waiting to pause');
                            total++;
                            this.once('drain', function () {
                                debug('pre-pause writing complete');
                                --total || pause();
                            });
                        }
                    } else {
                        pause();
                    }
                };

                /**
                 * Starts polling cycle.
                 *
                 * @api public
                 */

                Polling.prototype.poll = function () {
                    debug('polling');
                    this.polling = true;
                    this.doPoll();
                    this.emit('poll');
                };

                /**
                 * Overloads onData to detect payloads.
                 *
                 * @api private
                 */

                Polling.prototype.onData = function (data) {
                    var self = this;
                    debug('polling got data %s', data);
                    var callback = function (packet, index, total) {
                        // if its the first message we consider the transport open
                        if ('opening' == self.readyState) {
                            self.onOpen();
                        }

                        // if its a close packet, we close the ongoing requests
                        if ('close' == packet.type) {
                            self.onClose();
                            return false;
                        }

                        // otherwise bypass onData and handle the message
                        self.onPacket(packet);
                    };

                    // decode payload
                    parser.decodePayload(data, this.socket.binaryType, callback);

                    // if an event did not trigger closing
                    if ('closed' != this.readyState) {
                        // if we got data we're not polling
                        this.polling = false;
                        this.emit('pollComplete');

                        if ('open' == this.readyState) {
                            this.poll();
                        } else {
                            debug('ignoring poll - transport state "%s"', this.readyState);
                        }
                    }
                };

                /**
                 * For polling, send a close packet.
                 *
                 * @api private
                 */

                Polling.prototype.doClose = function () {
                    var self = this;

                    function close() {
                        debug('writing close packet');
                        self.write([{
                            type: 'close'
                        }]);
                    }

                    if ('open' == this.readyState) {
                        debug('transport open - closing');
                        close();
                    } else {
                        // in case we're trying to close while
                        // handshaking is in progress (GH-164)
                        debug('transport not open - deferring close');
                        this.once('open', close);
                    }
                };

                /**
                 * Writes a packets payload.
                 *
                 * @param {Array} data packets
                 * @param {Function} drain callback
                 * @api private
                 */

                Polling.prototype.write = function (packets) {
                    var self = this;
                    this.writable = false;
                    var callbackfn = function () {
                        self.writable = true;
                        self.emit('drain');
                    };

                    var self = this;
                    parser.encodePayload(packets, this.supportsBinary, function (data) {
                        self.doWrite(data, callbackfn);
                    });
                };

                /**
                 * Generates uri for connection.
                 *
                 * @api private
                 */

                Polling.prototype.uri = function () {
                    var query = this.query || {};
                    var schema = this.secure ? 'https' : 'http';
                    var port = '';

                    // cache busting is forced
                    if (false !== this.timestampRequests) {
                        query[this.timestampParam] = +new Date + '-' + Transport.timestamps++;
                    }

                    if (!this.supportsBinary && !query.sid) {
                        query.b64 = 1;
                    }

                    query = parseqs.encode(query);

                    // avoid port if default for schema
                    if (this.port && (('https' == schema && this.port != 443) ||
                            ('http' == schema && this.port != 80))) {
                        port = ':' + this.port;
                    }

                    // prepend ? to query
                    if (query.length) {
                        query = '?' + query;
                    }

                    return schema + '://' + this.hostname + port + this.path + query;
                };

            }, {
                "../transport": 14,
                "component-inherit": 21,
                "debug": 22,
                "engine.io-parser": 25,
                "parseqs": 35,
                "xmlhttprequest": 20
            }],
            19: [function (_dereq_, module, exports) {
                /**
                 * Module dependencies.
                 */

                var Transport = _dereq_('../transport');
                var parser = _dereq_('engine.io-parser');
                var parseqs = _dereq_('parseqs');
                var inherit = _dereq_('component-inherit');
                var debug = _dereq_('debug')('engine.io-client:websocket');

                /**
                 * `ws` exposes a WebSocket-compatible interface in
                 * Node, or the `WebSocket` or `MozWebSocket` globals
                 * in the browser.
                 */

                var WebSocket = _dereq_('ws');

                /**
                 * Module exports.
                 */

                module.exports = WS;

                /**
                 * WebSocket transport constructor.
                 *
                 * @api {Object} connection options
                 * @api public
                 */

                function WS(opts) {
                    var forceBase64 = (opts && opts.forceBase64);
                    if (forceBase64) {
                        this.supportsBinary = false;
                    }
                    Transport.call(this, opts);
                }

                /**
                 * Inherits from Transport.
                 */

                inherit(WS, Transport);

                /**
                 * Transport name.
                 *
                 * @api public
                 */

                WS.prototype.name = 'websocket';

                /*
                 * WebSockets support binary
                 */

                WS.prototype.supportsBinary = true;

                /**
                 * Opens socket.
                 *
                 * @api private
                 */

                WS.prototype.doOpen = function () {
                    if (!this.check()) {
                        // let probe timeout
                        return;
                    }

                    var self = this;
                    var uri = this.uri();
                    var protocols = void(0);
                    var opts = {
                        agent: this.agent
                    };

                    // SSL options for Node.js client
                    opts.pfx = this.pfx;
                    opts.key = this.key;
                    opts.passphrase = this.passphrase;
                    opts.cert = this.cert;
                    opts.ca = this.ca;
                    opts.ciphers = this.ciphers;
                    opts.rejectUnauthorized = this.rejectUnauthorized;

                    this.ws = new WebSocket(uri, protocols, opts);

                    if (this.ws.binaryType === undefined) {
                        this.supportsBinary = false;
                    }

                    this.ws.binaryType = 'arraybuffer';
                    this.addEventListeners();
                };

                /**
                 * Adds event listeners to the socket
                 *
                 * @api private
                 */

                WS.prototype.addEventListeners = function () {
                    var self = this;

                    this.ws.onopen = function () {
                        self.onOpen();
                    };
                    this.ws.onclose = function () {
                        self.onClose();
                    };
                    this.ws.onmessage = function (ev) {
                        self.onData(ev.data);
                    };
                    this.ws.onerror = function (e) {
                        self.onError('websocket error', e);
                    };
                };

                /**
                 * Override `onData` to use a timer on iOS.
                 * See: https://gist.github.com/mloughran/2052006
                 *
                 * @api private
                 */

                if ('undefined' != typeof navigator &&
                    /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
                    WS.prototype.onData = function (data) {
                        var self = this;
                        setTimeout(function () {
                            Transport.prototype.onData.call(self, data);
                        }, 0);
                    };
                }

                /**
                 * Writes data to socket.
                 *
                 * @param {Array} array of packets.
                 * @api private
                 */

                WS.prototype.write = function (packets) {
                    var self = this;
                    this.writable = false;
                    // encodePacket efficient as it uses WS framing
                    // no need for encodePayload
                    for (var i = 0, l = packets.length; i < l; i++) {
                        parser.encodePacket(packets[i], this.supportsBinary, function (data) {
                            //Sometimes the websocket has already been closed but the browser didn't
                            //have a chance of informing us about it yet, in that case send will
                            //throw an error
                            try {
                                self.ws.send(data);
                            } catch (e) {
                                debug('websocket closed before onclose event');
                            }
                        });
                    }

                    function ondrain() {
                        self.writable = true;
                        self.emit('drain');
                    }
                    // fake drain
                    // defer to next tick to allow Socket to clear writeBuffer
                    setTimeout(ondrain, 0);
                };

                /**
                 * Called upon close
                 *
                 * @api private
                 */

                WS.prototype.onClose = function () {
                    Transport.prototype.onClose.call(this);
                };

                /**
                 * Closes socket.
                 *
                 * @api private
                 */

                WS.prototype.doClose = function () {
                    if (typeof this.ws !== 'undefined') {
                        this.ws.close();
                    }
                };

                /**
                 * Generates uri for connection.
                 *
                 * @api private
                 */

                WS.prototype.uri = function () {
                    var query = this.query || {};
                    var schema = this.secure ? 'wss' : 'ws';
                    var port = '';

                    // avoid port if default for schema
                    if (this.port && (('wss' == schema && this.port != 443) ||
                            ('ws' == schema && this.port != 80))) {
                        port = ':' + this.port;
                    }

                    // append timestamp to URI
                    if (this.timestampRequests) {
                        query[this.timestampParam] = +new Date;
                    }

                    // communicate binary support capabilities
                    if (!this.supportsBinary) {
                        query.b64 = 1;
                    }

                    query = parseqs.encode(query);

                    // prepend ? to query
                    if (query.length) {
                        query = '?' + query;
                    }

                    return schema + '://' + this.hostname + port + this.path + query;
                };

                /**
                 * Feature detection for WebSocket.
                 *
                 * @return {Boolean} whether this transport is available.
                 * @api public
                 */

                WS.prototype.check = function () {
                    return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
                };

            }, {
                "../transport": 14,
                "component-inherit": 21,
                "debug": 22,
                "engine.io-parser": 25,
                "parseqs": 35,
                "ws": 37
            }],
            20: [function (_dereq_, module, exports) {
                // browser shim for xmlhttprequest module
                var hasCORS = _dereq_('has-cors');

                module.exports = function (opts) {
                    var xdomain = opts.xdomain;

                    // scheme must be same when usign XDomainRequest
                    // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
                    var xscheme = opts.xscheme;

                    // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
                    // https://github.com/Automattic/engine.io-client/pull/217
                    var enablesXDR = opts.enablesXDR;

                    // XMLHttpRequest can be disabled on IE
                    try {
                        if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
                            return new XMLHttpRequest();
                        }
                    } catch (e) {}

                    // Use XDomainRequest for IE8 if enablesXDR is true
                    // because loading bar keeps flashing when using jsonp-polling
                    // https://github.com/yujiosaka/socke.io-ie8-loading-example
                    try {
                        if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
                            return new XDomainRequest();
                        }
                    } catch (e) {}

                    if (!xdomain) {
                        try {
                            return new ActiveXObject('Microsoft.XMLHTTP');
                        } catch (e) {}
                    }
                }

            }, {
                "has-cors": 40
            }],
            21: [function (_dereq_, module, exports) {

                module.exports = function (a, b) {
                    var fn = function () {};
                    fn.prototype = b.prototype;
                    a.prototype = new fn;
                    a.prototype.constructor = a;
                };
            }, {}],
            22: [function (_dereq_, module, exports) {

                /**
                 * This is the web browser implementation of `debug()`.
                 *
                 * Expose `debug()` as the module.
                 */

                exports = module.exports = _dereq_('./debug');
                exports.log = log;
                exports.formatArgs = formatArgs;
                exports.save = save;
                exports.load = load;
                exports.useColors = useColors;

                /**
                 * Colors.
                 */

                exports.colors = [
                    'lightseagreen',
                    'forestgreen',
                    'goldenrod',
                    'dodgerblue',
                    'darkorchid',
                    'crimson'
                ];

                /**
                 * Currently only WebKit-based Web Inspectors, Firefox >= v31,
                 * and the Firebug extension (any Firefox version) are known
                 * to support "%c" CSS customizations.
                 *
                 * TODO: add a `localStorage` variable to explicitly enable/disable colors
                 */

                function useColors() {
                    // is webkit? http://stackoverflow.com/a/16459606/376773
                    return ('WebkitAppearance' in document.documentElement.style) ||
                        // is firebug? http://stackoverflow.com/a/398120/376773
                        (window.console && (console.firebug || (console.exception && console.table))) ||
                        // is firefox >= v31?
                        // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
                        (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
                }

                /**
                 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
                 */

                exports.formatters.j = function (v) {
                    return JSON.stringify(v);
                };


                /**
                 * Colorize log arguments if enabled.
                 *
                 * @api public
                 */

                function formatArgs() {
                    var args = arguments;
                    var useColors = this.useColors;

                    args[0] = (useColors ? '%c' : '') +
                        this.namespace +
                        (useColors ? ' %c' : ' ') +
                        args[0] +
                        (useColors ? '%c ' : ' ') +
                        '+' + exports.humanize(this.diff);

                    if (!useColors) return args;

                    var c = 'color: ' + this.color;
                    args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));

                    // the final "%c" is somewhat tricky, because there could be other
                    // arguments passed either before or after the %c, so we need to
                    // figure out the correct index to insert the CSS into
                    var index = 0;
                    var lastC = 0;
                    args[0].replace(/%[a-z%]/g, function (match) {
                        if ('%' === match) return;
                        index++;
                        if ('%c' === match) {
                            // we only are interested in the *last* %c
                            // (the user may have provided their own)
                            lastC = index;
                        }
                    });

                    args.splice(lastC, 0, c);
                    return args;
                }

                /**
                 * Invokes `console.log()` when available.
                 * No-op when `console.log` is not a "function".
                 *
                 * @api public
                 */

                function log() {
                    // This hackery is required for IE8,
                    // where the `console.log` function doesn't have 'apply'
                    return 'object' == typeof console &&
                        'function' == typeof console.log &&
                        Function.prototype.apply.call(console.log, console, arguments);
                }

                /**
                 * Save `namespaces`.
                 *
                 * @param {String} namespaces
                 * @api private
                 */

                function save(namespaces) {
                    try {
                        if (null == namespaces) {
                            localStorage.removeItem('debug');
                        } else {
                            localStorage.debug = namespaces;
                        }
                    } catch (e) {}
                }

                /**
                 * Load `namespaces`.
                 *
                 * @return {String} returns the previously persisted debug modes
                 * @api private
                 */

                function load() {
                    var r;
                    try {
                        r = localStorage.debug;
                    } catch (e) {}
                    return r;
                }

                /**
                 * Enable namespaces listed in `localStorage.debug` initially.
                 */

                exports.enable(load());

            }, {
                "./debug": 23
            }],
            23: [function (_dereq_, module, exports) {

                /**
                 * This is the common logic for both the Node.js and web browser
                 * implementations of `debug()`.
                 *
                 * Expose `debug()` as the module.
                 */

                exports = module.exports = debug;
                exports.coerce = coerce;
                exports.disable = disable;
                exports.enable = enable;
                exports.enabled = enabled;
                exports.humanize = _dereq_('ms');

                /**
                 * The currently active debug mode names, and names to skip.
                 */

                exports.names = [];
                exports.skips = [];

                /**
                 * Map of special "%n" handling functions, for the debug "format" argument.
                 *
                 * Valid key names are a single, lowercased letter, i.e. "n".
                 */

                exports.formatters = {};

                /**
                 * Previously assigned color.
                 */

                var prevColor = 0;

                /**
                 * Previous log timestamp.
                 */

                var prevTime;

                /**
                 * Select a color.
                 *
                 * @return {Number}
                 * @api private
                 */

                function selectColor() {
                    return exports.colors[prevColor++ % exports.colors.length];
                }

                /**
                 * Create a debugger with the given `namespace`.
                 *
                 * @param {String} namespace
                 * @return {Function}
                 * @api public
                 */

                function debug(namespace) {

                    // define the `disabled` version
                    function disabled() {}
                    disabled.enabled = false;

                    // define the `enabled` version
                    function enabled() {

                        var self = enabled;

                        // set `diff` timestamp
                        var curr = +new Date();
                        var ms = curr - (prevTime || curr);
                        self.diff = ms;
                        self.prev = prevTime;
                        self.curr = curr;
                        prevTime = curr;

                        // add the `color` if not set
                        if (null == self.useColors) self.useColors = exports.useColors();
                        if (null == self.color && self.useColors) self.color = selectColor();

                        var args = Array.prototype.slice.call(arguments);

                        args[0] = exports.coerce(args[0]);

                        if ('string' !== typeof args[0]) {
                            // anything else let's inspect with %o
                            args = ['%o'].concat(args);
                        }

                        // apply any `formatters` transformations
                        var index = 0;
                        args[0] = args[0].replace(/%([a-z%])/g, function (match, format) {
                            // if we encounter an escaped % then don't increase the array index
                            if (match === '%') return match;
                            index++;
                            var formatter = exports.formatters[format];
                            if ('function' === typeof formatter) {
                                var val = args[index];
                                match = formatter.call(self, val);

                                // now we need to remove `args[index]` since it's inlined in the `format`
                                args.splice(index, 1);
                                index--;
                            }
                            return match;
                        });

                        if ('function' === typeof exports.formatArgs) {
                            args = exports.formatArgs.apply(self, args);
                        }
                        var logFn = enabled.log || exports.log || console.log.bind(console);
                        logFn.apply(self, args);
                    }
                    enabled.enabled = true;

                    var fn = exports.enabled(namespace) ? enabled : disabled;

                    fn.namespace = namespace;

                    return fn;
                }

                /**
                 * Enables a debug mode by namespaces. This can include modes
                 * separated by a colon and wildcards.
                 *
                 * @param {String} namespaces
                 * @api public
                 */

                function enable(namespaces) {
                    exports.save(namespaces);

                    var split = (namespaces || '').split(/[\s,]+/);
                    var len = split.length;

                    for (var i = 0; i < len; i++) {
                        if (!split[i]) continue; // ignore empty strings
                        namespaces = split[i].replace(/\*/g, '.*?');
                        if (namespaces[0] === '-') {
                            exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
                        } else {
                            exports.names.push(new RegExp('^' + namespaces + '$'));
                        }
                    }
                }

                /**
                 * Disable debug output.
                 *
                 * @api public
                 */

                function disable() {
                    exports.enable('');
                }

                /**
                 * Returns true if the given mode name is enabled, false otherwise.
                 *
                 * @param {String} name
                 * @return {Boolean}
                 * @api public
                 */

                function enabled(name) {
                    var i, len;
                    for (i = 0, len = exports.skips.length; i < len; i++) {
                        if (exports.skips[i].test(name)) {
                            return false;
                        }
                    }
                    for (i = 0, len = exports.names.length; i < len; i++) {
                        if (exports.names[i].test(name)) {
                            return true;
                        }
                    }
                    return false;
                }

                /**
                 * Coerce `val`.
                 *
                 * @param {Mixed} val
                 * @return {Mixed}
                 * @api private
                 */

                function coerce(val) {
                    if (val instanceof Error) return val.stack || val.message;
                    return val;
                }

            }, {
                "ms": 24
            }],
            24: [function (_dereq_, module, exports) {
                /**
                 * Helpers.
                 */

                var s = 1000;
                var m = s * 60;
                var h = m * 60;
                var d = h * 24;
                var y = d * 365.25;

                /**
                 * Parse or format the given `val`.
                 *
                 * Options:
                 *
                 *  - `long` verbose formatting [false]
                 *
                 * @param {String|Number} val
                 * @param {Object} options
                 * @return {String|Number}
                 * @api public
                 */

                module.exports = function (val, options) {
                    options = options || {};
                    if ('string' == typeof val) return parse(val);
                    return options.long ?
                        long(val) :
                        short(val);
                };

                /**
                 * Parse the given `str` and return milliseconds.
                 *
                 * @param {String} str
                 * @return {Number}
                 * @api private
                 */

                function parse(str) {
                    var match = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str);
                    if (!match) return;
                    var n = parseFloat(match[1]);
                    var type = (match[2] || 'ms').toLowerCase();
                    switch (type) {
                        case 'years':
                        case 'year':
                        case 'y':
                            return n * y;
                        case 'days':
                        case 'day':
                        case 'd':
                            return n * d;
                        case 'hours':
                        case 'hour':
                        case 'h':
                            return n * h;
                        case 'minutes':
                        case 'minute':
                        case 'm':
                            return n * m;
                        case 'seconds':
                        case 'second':
                        case 's':
                            return n * s;
                        case 'ms':
                            return n;
                    }
                }

                /**
                 * Short format for `ms`.
                 *
                 * @param {Number} ms
                 * @return {String}
                 * @api private
                 */

                function short(ms) {
                    if (ms >= d) return Math.round(ms / d) + 'd';
                    if (ms >= h) return Math.round(ms / h) + 'h';
                    if (ms >= m) return Math.round(ms / m) + 'm';
                    if (ms >= s) return Math.round(ms / s) + 's';
                    return ms + 'ms';
                }

                /**
                 * Long format for `ms`.
                 *
                 * @param {Number} ms
                 * @return {String}
                 * @api private
                 */

                function long(ms) {
                    return plural(ms, d, 'day') ||
                        plural(ms, h, 'hour') ||
                        plural(ms, m, 'minute') ||
                        plural(ms, s, 'second') ||
                        ms + ' ms';
                }

                /**
                 * Pluralization helper.
                 */

                function plural(ms, n, name) {
                    if (ms < n) return;
                    if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
                    return Math.ceil(ms / n) + ' ' + name + 's';
                }

            }, {}],
            25: [function (_dereq_, module, exports) {
                (function (global) {
                    /**
                     * Module dependencies.
                     */

                    var keys = _dereq_('./keys');
                    var hasBinary = _dereq_('has-binary');
                    var sliceBuffer = _dereq_('arraybuffer.slice');
                    var base64encoder = _dereq_('base64-arraybuffer');
                    var after = _dereq_('after');
                    var utf8 = _dereq_('utf8');

                    /**
                     * Check if we are running an android browser. That requires us to use
                     * ArrayBuffer with polling transports...
                     *
                     * http://ghinda.net/jpeg-blob-ajax-android/
                     */

                    var isAndroid = navigator.userAgent.match(/Android/i);

                    /**
                     * Check if we are running in PhantomJS.
                     * Uploading a Blob with PhantomJS does not work correctly, as reported here:
                     * https://github.com/ariya/phantomjs/issues/11395
                     * @type boolean
                     */
                    var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);

                    /**
                     * When true, avoids using Blobs to encode payloads.
                     * @type boolean
                     */
                    var dontSendBlobs = isAndroid || isPhantomJS;

                    /**
                     * Current protocol version.
                     */

                    exports.protocol = 3;

                    /**
                     * Packet types.
                     */

                    var packets = exports.packets = {
                        open: 0 // non-ws
                            ,
                        close: 1 // non-ws
                            ,
                        ping: 2,
                        pong: 3,
                        message: 4,
                        upgrade: 5,
                        noop: 6
                    };

                    var packetslist = keys(packets);

                    /**
                     * Premade error packet.
                     */

                    var err = {
                        type: 'error',
                        data: 'parser error'
                    };

                    /**
                     * Create a blob api even for blob builder when vendor prefixes exist
                     */

                    var Blob = _dereq_('blob');

                    /**
                     * Encodes a packet.
                     *
                     *     <packet type id> [ <data> ]
                     *
                     * Example:
                     *
                     *     5hello world
                     *     3
                     *     4
                     *
                     * Binary is encoded in an identical principle
                     *
                     * @api private
                     */

                    exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
                        if ('function' == typeof supportsBinary) {
                            callback = supportsBinary;
                            supportsBinary = false;
                        }

                        if ('function' == typeof utf8encode) {
                            callback = utf8encode;
                            utf8encode = null;
                        }

                        var data = (packet.data === undefined) ?
                            undefined :
                            packet.data.buffer || packet.data;

                        if (global.ArrayBuffer && data instanceof ArrayBuffer) {
                            return encodeArrayBuffer(packet, supportsBinary, callback);
                        } else if (Blob && data instanceof global.Blob) {
                            return encodeBlob(packet, supportsBinary, callback);
                        }

                        // might be an object with { base64: true, data: dataAsBase64String }
                        if (data && data.base64) {
                            return encodeBase64Object(packet, callback);
                        }

                        // Sending data as a utf-8 string
                        var encoded = packets[packet.type];

                        // data fragment is optional
                        if (undefined !== packet.data) {
                            encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
                        }

                        return callback('' + encoded);

                    };

                    function encodeBase64Object(packet, callback) {
                        // packet data is an object { base64: true, data: dataAsBase64String }
                        var message = 'b' + exports.packets[packet.type] + packet.data.data;
                        return callback(message);
                    }

                    /**
                     * Encode packet helpers for binary types
                     */

                    function encodeArrayBuffer(packet, supportsBinary, callback) {
                        if (!supportsBinary) {
                            return exports.encodeBase64Packet(packet, callback);
                        }

                        var data = packet.data;
                        var contentArray = new Uint8Array(data);
                        var resultBuffer = new Uint8Array(1 + data.byteLength);

                        resultBuffer[0] = packets[packet.type];
                        for (var i = 0; i < contentArray.length; i++) {
                            resultBuffer[i + 1] = contentArray[i];
                        }

                        return callback(resultBuffer.buffer);
                    }

                    function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
                        if (!supportsBinary) {
                            return exports.encodeBase64Packet(packet, callback);
                        }

                        var fr = new FileReader();
                        fr.onload = function () {
                            packet.data = fr.result;
                            exports.encodePacket(packet, supportsBinary, true, callback);
                        };
                        return fr.readAsArrayBuffer(packet.data);
                    }

                    function encodeBlob(packet, supportsBinary, callback) {
                        if (!supportsBinary) {
                            return exports.encodeBase64Packet(packet, callback);
                        }

                        if (dontSendBlobs) {
                            return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
                        }

                        var length = new Uint8Array(1);
                        length[0] = packets[packet.type];
                        var blob = new Blob([length.buffer, packet.data]);

                        return callback(blob);
                    }

                    /**
                     * Encodes a packet with binary data in a base64 string
                     *
                     * @param {Object} packet, has `type` and `data`
                     * @return {String} base64 encoded message
                     */

                    exports.encodeBase64Packet = function (packet, callback) {
                        var message = 'b' + exports.packets[packet.type];
                        if (Blob && packet.data instanceof Blob) {
                            var fr = new FileReader();
                            fr.onload = function () {
                                var b64 = fr.result.split(',')[1];
                                callback(message + b64);
                            };
                            return fr.readAsDataURL(packet.data);
                        }

                        var b64data;
                        try {
                            b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
                        } catch (e) {
                            // iPhone Safari doesn't let you apply with typed arrays
                            var typed = new Uint8Array(packet.data);
                            var basic = new Array(typed.length);
                            for (var i = 0; i < typed.length; i++) {
                                basic[i] = typed[i];
                            }
                            b64data = String.fromCharCode.apply(null, basic);
                        }
                        message += global.btoa(b64data);
                        return callback(message);
                    };

                    /**
                     * Decodes a packet. Changes format to Blob if requested.
                     *
                     * @return {Object} with `type` and `data` (if any)
                     * @api private
                     */

                    exports.decodePacket = function (data, binaryType, utf8decode) {
                        // String data
                        if (typeof data == 'string' || data === undefined) {
                            if (data.charAt(0) == 'b') {
                                return exports.decodeBase64Packet(data.substr(1), binaryType);
                            }

                            if (utf8decode) {
                                try {
                                    data = utf8.decode(data);
                                } catch (e) {
                                    return err;
                                }
                            }
                            var type = data.charAt(0);

                            if (Number(type) != type || !packetslist[type]) {
                                return err;
                            }

                            if (data.length > 1) {
                                return {
                                    type: packetslist[type],
                                    data: data.substring(1)
                                };
                            } else {
                                return {
                                    type: packetslist[type]
                                };
                            }
                        }

                        var asArray = new Uint8Array(data);
                        var type = asArray[0];
                        var rest = sliceBuffer(data, 1);
                        if (Blob && binaryType === 'blob') {
                            rest = new Blob([rest]);
                        }
                        return {
                            type: packetslist[type],
                            data: rest
                        };
                    };

                    /**
                     * Decodes a packet encoded in a base64 string
                     *
                     * @param {String} base64 encoded message
                     * @return {Object} with `type` and `data` (if any)
                     */

                    exports.decodeBase64Packet = function (msg, binaryType) {
                        var type = packetslist[msg.charAt(0)];
                        if (!global.ArrayBuffer) {
                            return {
                                type: type,
                                data: {
                                    base64: true,
                                    data: msg.substr(1)
                                }
                            };
                        }

                        var data = base64encoder.decode(msg.substr(1));

                        if (binaryType === 'blob' && Blob) {
                            data = new Blob([data]);
                        }

                        return {
                            type: type,
                            data: data
                        };
                    };

                    /**
                     * Encodes multiple messages (payload).
                     *
                     *     <length>:data
                     *
                     * Example:
                     *
                     *     11:hello world2:hi
                     *
                     * If any contents are binary, they will be encoded as base64 strings. Base64
                     * encoded strings are marked with a b before the length specifier
                     *
                     * @param {Array} packets
                     * @api private
                     */

                    exports.encodePayload = function (packets, supportsBinary, callback) {
                        if (typeof supportsBinary == 'function') {
                            callback = supportsBinary;
                            supportsBinary = null;
                        }

                        var isBinary = hasBinary(packets);

                        if (supportsBinary && isBinary) {
                            if (Blob && !dontSendBlobs) {
                                return exports.encodePayloadAsBlob(packets, callback);
                            }

                            return exports.encodePayloadAsArrayBuffer(packets, callback);
                        }

                        if (!packets.length) {
                            return callback('0:');
                        }

                        function setLengthHeader(message) {
                            return message.length + ':' + message;
                        }

                        function encodeOne(packet, doneCallback) {
                            exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function (message) {
                                doneCallback(null, setLengthHeader(message));
                            });
                        }

                        map(packets, encodeOne, function (err, results) {
                            return callback(results.join(''));
                        });
                    };

                    /**
                     * Async array map using after
                     */

                    function map(ary, each, done) {
                        var result = new Array(ary.length);
                        var next = after(ary.length, done);

                        var eachWithIndex = function (i, el, cb) {
                            each(el, function (error, msg) {
                                result[i] = msg;
                                cb(error, result);
                            });
                        };

                        for (var i = 0; i < ary.length; i++) {
                            eachWithIndex(i, ary[i], next);
                        }
                    }

                    /*
                     * Decodes data when a payload is maybe expected. Possible binary contents are
                     * decoded from their base64 representation
                     *
                     * @param {String} data, callback method
                     * @api public
                     */

                    exports.decodePayload = function (data, binaryType, callback) {
                        if (typeof data != 'string') {
                            return exports.decodePayloadAsBinary(data, binaryType, callback);
                        }

                        if (typeof binaryType === 'function') {
                            callback = binaryType;
                            binaryType = null;
                        }

                        var packet;
                        if (data == '') {
                            // parser error - ignoring payload
                            return callback(err, 0, 1);
                        }

                        var length = '',
                            n, msg;

                        for (var i = 0, l = data.length; i < l; i++) {
                            var chr = data.charAt(i);

                            if (':' != chr) {
                                length += chr;
                            } else {
                                if ('' == length || (length != (n = Number(length)))) {
                                    // parser error - ignoring payload
                                    return callback(err, 0, 1);
                                }

                                msg = data.substr(i + 1, n);

                                if (length != msg.length) {
                                    // parser error - ignoring payload
                                    return callback(err, 0, 1);
                                }

                                if (msg.length) {
                                    packet = exports.decodePacket(msg, binaryType, true);

                                    if (err.type == packet.type && err.data == packet.data) {
                                        // parser error in individual packet - ignoring payload
                                        return callback(err, 0, 1);
                                    }

                                    var ret = callback(packet, i + n, l);
                                    if (false === ret) return;
                                }

                                // advance cursor
                                i += n;
                                length = '';
                            }
                        }

                        if (length != '') {
                            // parser error - ignoring payload
                            return callback(err, 0, 1);
                        }

                    };

                    /**
                     * Encodes multiple messages (payload) as binary.
                     *
                     * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
                     * 255><data>
                     *
                     * Example:
                     * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
                     *
                     * @param {Array} packets
                     * @return {ArrayBuffer} encoded payload
                     * @api private
                     */

                    exports.encodePayloadAsArrayBuffer = function (packets, callback) {
                        if (!packets.length) {
                            return callback(new ArrayBuffer(0));
                        }

                        function encodeOne(packet, doneCallback) {
                            exports.encodePacket(packet, true, true, function (data) {
                                return doneCallback(null, data);
                            });
                        }

                        map(packets, encodeOne, function (err, encodedPackets) {
                            var totalLength = encodedPackets.reduce(function (acc, p) {
                                var len;
                                if (typeof p === 'string') {
                                    len = p.length;
                                } else {
                                    len = p.byteLength;
                                }
                                return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
                            }, 0);

                            var resultArray = new Uint8Array(totalLength);

                            var bufferIndex = 0;
                            encodedPackets.forEach(function (p) {
                                var isString = typeof p === 'string';
                                var ab = p;
                                if (isString) {
                                    var view = new Uint8Array(p.length);
                                    for (var i = 0; i < p.length; i++) {
                                        view[i] = p.charCodeAt(i);
                                    }
                                    ab = view.buffer;
                                }

                                if (isString) { // not true binary
                                    resultArray[bufferIndex++] = 0;
                                } else { // true binary
                                    resultArray[bufferIndex++] = 1;
                                }

                                var lenStr = ab.byteLength.toString();
                                for (var i = 0; i < lenStr.length; i++) {
                                    resultArray[bufferIndex++] = parseInt(lenStr[i]);
                                }
                                resultArray[bufferIndex++] = 255;

                                var view = new Uint8Array(ab);
                                for (var i = 0; i < view.length; i++) {
                                    resultArray[bufferIndex++] = view[i];
                                }
                            });

                            return callback(resultArray.buffer);
                        });
                    };

                    /**
                     * Encode as Blob
                     */

                    exports.encodePayloadAsBlob = function (packets, callback) {
                        function encodeOne(packet, doneCallback) {
                            exports.encodePacket(packet, true, true, function (encoded) {
                                var binaryIdentifier = new Uint8Array(1);
                                binaryIdentifier[0] = 1;
                                if (typeof encoded === 'string') {
                                    var view = new Uint8Array(encoded.length);
                                    for (var i = 0; i < encoded.length; i++) {
                                        view[i] = encoded.charCodeAt(i);
                                    }
                                    encoded = view.buffer;
                                    binaryIdentifier[0] = 0;
                                }

                                var len = (encoded instanceof ArrayBuffer) ?
                                    encoded.byteLength :
                                    encoded.size;

                                var lenStr = len.toString();
                                var lengthAry = new Uint8Array(lenStr.length + 1);
                                for (var i = 0; i < lenStr.length; i++) {
                                    lengthAry[i] = parseInt(lenStr[i]);
                                }
                                lengthAry[lenStr.length] = 255;

                                if (Blob) {
                                    var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
                                    doneCallback(null, blob);
                                }
                            });
                        }

                        map(packets, encodeOne, function (err, results) {
                            return callback(new Blob(results));
                        });
                    };

                    /*
                     * Decodes data when a payload is maybe expected. Strings are decoded by
                     * interpreting each byte as a key code for entries marked to start with 0. See
                     * description of encodePayloadAsBinary
                     *
                     * @param {ArrayBuffer} data, callback method
                     * @api public
                     */

                    exports.decodePayloadAsBinary = function (data, binaryType, callback) {
                        if (typeof binaryType === 'function') {
                            callback = binaryType;
                            binaryType = null;
                        }

                        var bufferTail = data;
                        var buffers = [];

                        var numberTooLong = false;
                        while (bufferTail.byteLength > 0) {
                            var tailArray = new Uint8Array(bufferTail);
                            var isString = tailArray[0] === 0;
                            var msgLength = '';

                            for (var i = 1;; i++) {
                                if (tailArray[i] == 255) break;

                                if (msgLength.length > 310) {
                                    numberTooLong = true;
                                    break;
                                }

                                msgLength += tailArray[i];
                            }

                            if (numberTooLong) return callback(err, 0, 1);

                            bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
                            msgLength = parseInt(msgLength);

                            var msg = sliceBuffer(bufferTail, 0, msgLength);
                            if (isString) {
                                try {
                                    msg = String.fromCharCode.apply(null, new Uint8Array(msg));
                                } catch (e) {
                                    // iPhone Safari doesn't let you apply to typed arrays
                                    var typed = new Uint8Array(msg);
                                    msg = '';
                                    for (var i = 0; i < typed.length; i++) {
                                        msg += String.fromCharCode(typed[i]);
                                    }
                                }
                            }

                            buffers.push(msg);
                            bufferTail = sliceBuffer(bufferTail, msgLength);
                        }

                        var total = buffers.length;
                        buffers.forEach(function (buffer, i) {
                            callback(exports.decodePacket(buffer, binaryType, true), i, total);
                        });
                    };

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "./keys": 26,
                "after": 27,
                "arraybuffer.slice": 28,
                "base64-arraybuffer": 29,
                "blob": 30,
                "has-binary": 31,
                "utf8": 33
            }],
            26: [function (_dereq_, module, exports) {

                /**
                 * Gets the keys for an object.
                 *
                 * @return {Array} keys
                 * @api private
                 */

                module.exports = Object.keys || function keys(obj) {
                    var arr = [];
                    var has = Object.prototype.hasOwnProperty;

                    for (var i in obj) {
                        if (has.call(obj, i)) {
                            arr.push(i);
                        }
                    }
                    return arr;
                };

            }, {}],
            27: [function (_dereq_, module, exports) {
                module.exports = after

                function after(count, callback, err_cb) {
                    var bail = false
                    err_cb = err_cb || noop
                    proxy.count = count

                    return (count === 0) ? callback() : proxy

                    function proxy(err, result) {
                        if (proxy.count <= 0) {
                            throw new Error('after called too many times')
                        }
                        --proxy.count

                        // after first error, rest are passed to err_cb
                        if (err) {
                            bail = true
                            callback(err)
                            // future error callbacks will go to error handler
                            callback = err_cb
                        } else if (proxy.count === 0 && !bail) {
                            callback(null, result)
                        }
                    }
                }

                function noop() {}

            }, {}],
            28: [function (_dereq_, module, exports) {
                /**
                 * An abstraction for slicing an arraybuffer even when
                 * ArrayBuffer.prototype.slice is not supported
                 *
                 * @api public
                 */

                module.exports = function (arraybuffer, start, end) {
                    var bytes = arraybuffer.byteLength;
                    start = start || 0;
                    end = end || bytes;

                    if (arraybuffer.slice) {
                        return arraybuffer.slice(start, end);
                    }

                    if (start < 0) {
                        start += bytes;
                    }
                    if (end < 0) {
                        end += bytes;
                    }
                    if (end > bytes) {
                        end = bytes;
                    }

                    if (start >= bytes || start >= end || bytes === 0) {
                        return new ArrayBuffer(0);
                    }

                    var abv = new Uint8Array(arraybuffer);
                    var result = new Uint8Array(end - start);
                    for (var i = start, ii = 0; i < end; i++, ii++) {
                        result[ii] = abv[i];
                    }
                    return result.buffer;
                };

            }, {}],
            29: [function (_dereq_, module, exports) {
                /*
                 * base64-arraybuffer
                 * https://github.com/niklasvh/base64-arraybuffer
                 *
                 * Copyright (c) 2012 Niklas von Hertzen
                 * Licensed under the MIT license.
                 */
                (function (chars) {
                    "use strict";

                    exports.encode = function (arraybuffer) {
                        var bytes = new Uint8Array(arraybuffer),
                            i, len = bytes.length,
                            base64 = "";

                        for (i = 0; i < len; i += 3) {
                            base64 += chars[bytes[i] >> 2];
                            base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
                            base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
                            base64 += chars[bytes[i + 2] & 63];
                        }

                        if ((len % 3) === 2) {
                            base64 = base64.substring(0, base64.length - 1) + "=";
                        } else if (len % 3 === 1) {
                            base64 = base64.substring(0, base64.length - 2) + "==";
                        }

                        return base64;
                    };

                    exports.decode = function (base64) {
                        var bufferLength = base64.length * 0.75,
                            len = base64.length,
                            i, p = 0,
                            encoded1, encoded2, encoded3, encoded4;

                        if (base64[base64.length - 1] === "=") {
                            bufferLength--;
                            if (base64[base64.length - 2] === "=") {
                                bufferLength--;
                            }
                        }

                        var arraybuffer = new ArrayBuffer(bufferLength),
                            bytes = new Uint8Array(arraybuffer);

                        for (i = 0; i < len; i += 4) {
                            encoded1 = chars.indexOf(base64[i]);
                            encoded2 = chars.indexOf(base64[i + 1]);
                            encoded3 = chars.indexOf(base64[i + 2]);
                            encoded4 = chars.indexOf(base64[i + 3]);

                            bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
                            bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
                            bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
                        }

                        return arraybuffer;
                    };
                })("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");

            }, {}],
            30: [function (_dereq_, module, exports) {
                (function (global) {
                    /**
                     * Create a blob builder even when vendor prefixes exist
                     */

                    var BlobBuilder = global.BlobBuilder ||
                        global.WebKitBlobBuilder ||
                        global.MSBlobBuilder ||
                        global.MozBlobBuilder;

                    /**
                     * Check if Blob constructor is supported
                     */

                    var blobSupported = (function () {
                        try {
                            var b = new Blob(['hi']);
                            return b.size == 2;
                        } catch (e) {
                            return false;
                        }
                    })();

                    /**
                     * Check if BlobBuilder is supported
                     */

                    var blobBuilderSupported = BlobBuilder &&
                        BlobBuilder.prototype.append &&
                        BlobBuilder.prototype.getBlob;

                    function BlobBuilderConstructor(ary, options) {
                        options = options || {};

                        var bb = new BlobBuilder();
                        for (var i = 0; i < ary.length; i++) {
                            bb.append(ary[i]);
                        }
                        return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
                    };

                    module.exports = (function () {
                        if (blobSupported) {
                            return global.Blob;
                        } else if (blobBuilderSupported) {
                            return BlobBuilderConstructor;
                        } else {
                            return undefined;
                        }
                    })();

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {}],
            31: [function (_dereq_, module, exports) {
                (function (global) {

                    /*
                     * Module requirements.
                     */

                    var isArray = _dereq_('isarray');

                    /**
                     * Module exports.
                     */

                    module.exports = hasBinary;

                    /**
                     * Checks for binary data.
                     *
                     * Right now only Buffer and ArrayBuffer are supported..
                     *
                     * @param {Object} anything
                     * @api public
                     */

                    function hasBinary(data) {

                        function _hasBinary(obj) {
                            if (!obj) return false;

                            if ((global.Buffer && global.Buffer.isBuffer(obj)) ||
                                (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
                                (global.Blob && obj instanceof Blob) ||
                                (global.File && obj instanceof File)
                            ) {
                                return true;
                            }

                            if (isArray(obj)) {
                                for (var i = 0; i < obj.length; i++) {
                                    if (_hasBinary(obj[i])) {
                                        return true;
                                    }
                                }
                            } else if (obj && 'object' == typeof obj) {
                                if (obj.toJSON) {
                                    obj = obj.toJSON();
                                }

                                for (var key in obj) {
                                    if (obj.hasOwnProperty(key) && _hasBinary(obj[key])) {
                                        return true;
                                    }
                                }
                            }

                            return false;
                        }

                        return _hasBinary(data);
                    }

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "isarray": 32
            }],
            32: [function (_dereq_, module, exports) {
                module.exports = Array.isArray || function (arr) {
                    return Object.prototype.toString.call(arr) == '[object Array]';
                };

            }, {}],
            33: [function (_dereq_, module, exports) {
                (function (global) {
                    /*! http://mths.be/utf8js v2.0.0 by @mathias */
                    ;
                    (function (root) {

                        // Detect free variables `exports`
                        var freeExports = typeof exports == 'object' && exports;

                        // Detect free variable `module`
                        var freeModule = typeof module == 'object' && module &&
                            module.exports == freeExports && module;

                        // Detect free variable `global`, from Node.js or Browserified code,
                        // and use it as `root`
                        var freeGlobal = typeof global == 'object' && global;
                        if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
                            root = freeGlobal;
                        }

                        /*--------------------------------------------------------------------------*/

                        var stringFromCharCode = String.fromCharCode;

                        // Taken from http://mths.be/punycode
                        function ucs2decode(string) {
                            var output = [];
                            var counter = 0;
                            var length = string.length;
                            var value;
                            var extra;
                            while (counter < length) {
                                value = string.charCodeAt(counter++);
                                if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
                                    // high surrogate, and there is a next character
                                    extra = string.charCodeAt(counter++);
                                    if ((extra & 0xFC00) == 0xDC00) { // low surrogate
                                        output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
                                    } else {
                                        // unmatched surrogate; only append this code unit, in case the next
                                        // code unit is the high surrogate of a surrogate pair
                                        output.push(value);
                                        counter--;
                                    }
                                } else {
                                    output.push(value);
                                }
                            }
                            return output;
                        }

                        // Taken from http://mths.be/punycode
                        function ucs2encode(array) {
                            var length = array.length;
                            var index = -1;
                            var value;
                            var output = '';
                            while (++index < length) {
                                value = array[index];
                                if (value > 0xFFFF) {
                                    value -= 0x10000;
                                    output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
                                    value = 0xDC00 | value & 0x3FF;
                                }
                                output += stringFromCharCode(value);
                            }
                            return output;
                        }

                        /*--------------------------------------------------------------------------*/

                        function createByte(codePoint, shift) {
                            return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
                        }

                        function encodeCodePoint(codePoint) {
                            if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
                                return stringFromCharCode(codePoint);
                            }
                            var symbol = '';
                            if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
                                symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
                            } else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
                                symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
                                symbol += createByte(codePoint, 6);
                            } else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
                                symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
                                symbol += createByte(codePoint, 12);
                                symbol += createByte(codePoint, 6);
                            }
                            symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
                            return symbol;
                        }

                        function utf8encode(string) {
                            var codePoints = ucs2decode(string);

                            // console.log(JSON.stringify(codePoints.map(function(x) {
                            // 	return 'U+' + x.toString(16).toUpperCase();
                            // })));

                            var length = codePoints.length;
                            var index = -1;
                            var codePoint;
                            var byteString = '';
                            while (++index < length) {
                                codePoint = codePoints[index];
                                byteString += encodeCodePoint(codePoint);
                            }
                            return byteString;
                        }

                        /*--------------------------------------------------------------------------*/

                        function readContinuationByte() {
                            if (byteIndex >= byteCount) {
                                throw Error('Invalid byte index');
                            }

                            var continuationByte = byteArray[byteIndex] & 0xFF;
                            byteIndex++;

                            if ((continuationByte & 0xC0) == 0x80) {
                                return continuationByte & 0x3F;
                            }

                            // If we end up here, itâ€™s not a continuation byte
                            throw Error('Invalid continuation byte');
                        }

                        function decodeSymbol() {
                            var byte1;
                            var byte2;
                            var byte3;
                            var byte4;
                            var codePoint;

                            if (byteIndex > byteCount) {
                                throw Error('Invalid byte index');
                            }

                            if (byteIndex == byteCount) {
                                return false;
                            }

                            // Read first byte
                            byte1 = byteArray[byteIndex] & 0xFF;
                            byteIndex++;

                            // 1-byte sequence (no continuation bytes)
                            if ((byte1 & 0x80) == 0) {
                                return byte1;
                            }

                            // 2-byte sequence
                            if ((byte1 & 0xE0) == 0xC0) {
                                var byte2 = readContinuationByte();
                                codePoint = ((byte1 & 0x1F) << 6) | byte2;
                                if (codePoint >= 0x80) {
                                    return codePoint;
                                } else {
                                    throw Error('Invalid continuation byte');
                                }
                            }

                            // 3-byte sequence (may include unpaired surrogates)
                            if ((byte1 & 0xF0) == 0xE0) {
                                byte2 = readContinuationByte();
                                byte3 = readContinuationByte();
                                codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
                                if (codePoint >= 0x0800) {
                                    return codePoint;
                                } else {
                                    throw Error('Invalid continuation byte');
                                }
                            }

                            // 4-byte sequence
                            if ((byte1 & 0xF8) == 0xF0) {
                                byte2 = readContinuationByte();
                                byte3 = readContinuationByte();
                                byte4 = readContinuationByte();
                                codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
                                    (byte3 << 0x06) | byte4;
                                if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
                                    return codePoint;
                                }
                            }

                            throw Error('Invalid UTF-8 detected');
                        }

                        var byteArray;
                        var byteCount;
                        var byteIndex;

                        function utf8decode(byteString) {
                            byteArray = ucs2decode(byteString);
                            byteCount = byteArray.length;
                            byteIndex = 0;
                            var codePoints = [];
                            var tmp;
                            while ((tmp = decodeSymbol()) !== false) {
                                codePoints.push(tmp);
                            }
                            return ucs2encode(codePoints);
                        }

                        /*--------------------------------------------------------------------------*/

                        var utf8 = {
                            'version': '2.0.0',
                            'encode': utf8encode,
                            'decode': utf8decode
                        };

                        // Some AMD build optimizers, like r.js, check for specific condition patterns
                        // like the following:
                        if (
                            typeof define == 'function' &&
                            typeof define.amd == 'object' &&
                            define.amd
                        ) {
                            define(function () {
                                return utf8;
                            });
                        } else if (freeExports && !freeExports.nodeType) {
                            if (freeModule) { // in Node.js or RingoJS v0.8.0+
                                freeModule.exports = utf8;
                            } else { // in Narwhal or RingoJS v0.7.0-
                                var object = {};
                                var hasOwnProperty = object.hasOwnProperty;
                                for (var key in utf8) {
                                    hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
                                }
                            }
                        } else { // in Rhino or a web browser
                            root.utf8 = utf8;
                        }

                    }(this));

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {}],
            34: [function (_dereq_, module, exports) {
                (function (global) {
                    /**
                     * JSON parse.
                     *
                     * @see Based on jQuery#parseJSON (MIT) and JSON2
                     * @api private
                     */

                    var rvalidchars = /^[\],:{}\s]*$/;
                    var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
                    var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
                    var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
                    var rtrimLeft = /^\s+/;
                    var rtrimRight = /\s+$/;

                    module.exports = function parsejson(data) {
                        if ('string' != typeof data || !data) {
                            return null;
                        }

                        data = data.replace(rtrimLeft, '').replace(rtrimRight, '');

                        // Attempt to parse using the native JSON parser first
                        if (global.JSON && JSON.parse) {
                            return JSON.parse(data);
                        }

                        if (rvalidchars.test(data.replace(rvalidescape, '@')
                                .replace(rvalidtokens, ']')
                                .replace(rvalidbraces, ''))) {
                            return (new Function('return ' + data))();
                        }
                    };
                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {}],
            35: [function (_dereq_, module, exports) {
                /**
                 * Compiles a querystring
                 * Returns string representation of the object
                 *
                 * @param {Object}
                 * @api private
                 */

                exports.encode = function (obj) {
                    var str = '';

                    for (var i in obj) {
                        if (obj.hasOwnProperty(i)) {
                            if (str.length) str += '&';
                            str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
                        }
                    }

                    return str;
                };

                /**
                 * Parses a simple querystring into an object
                 *
                 * @param {String} qs
                 * @api private
                 */

                exports.decode = function (qs) {
                    var qry = {};
                    var pairs = qs.split('&');
                    for (var i = 0, l = pairs.length; i < l; i++) {
                        var pair = pairs[i].split('=');
                        qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
                    }
                    return qry;
                };

            }, {}],
            36: [function (_dereq_, module, exports) {
                /**
                 * Parses an URI
                 *
                 * @author Steven Levithan <stevenlevithan.com> (MIT license)
                 * @api private
                 */

                var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;

                var parts = [
                    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
                ];

                module.exports = function parseuri(str) {
                    var src = str,
                        b = str.indexOf('['),
                        e = str.indexOf(']');

                    if (b != -1 && e != -1) {
                        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
                    }

                    var m = re.exec(str || ''),
                        uri = {},
                        i = 14;

                    while (i--) {
                        uri[parts[i]] = m[i] || '';
                    }

                    if (b != -1 && e != -1) {
                        uri.source = src;
                        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
                        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
                        uri.ipv6uri = true;
                    }

                    return uri;
                };

            }, {}],
            37: [function (_dereq_, module, exports) {

                /**
                 * Module dependencies.
                 */

                var global = (function () {
                    return this;
                })();

                /**
                 * WebSocket constructor.
                 */

                var WebSocket = global.WebSocket || global.MozWebSocket;

                /**
                 * Module exports.
                 */

                module.exports = WebSocket ? ws : null;

                /**
                 * WebSocket constructor.
                 *
                 * The third `opts` options object gets ignored in web browsers, since it's
                 * non-standard, and throws a TypeError if passed to the constructor.
                 * See: https://github.com/einaros/ws/issues/227
                 *
                 * @param {String} uri
                 * @param {Array} protocols (optional)
                 * @param {Object) opts (optional)
                 * @api public
                 */

                function ws(uri, protocols, opts) {
                    var instance;
                    if (protocols) {
                        instance = new WebSocket(uri, protocols);
                    } else {
                        instance = new WebSocket(uri);
                    }
                    return instance;
                }

                if (WebSocket) ws.prototype = WebSocket.prototype;

            }, {}],
            38: [function (_dereq_, module, exports) {
                (function (global) {

                    /*
                     * Module requirements.
                     */

                    var isArray = _dereq_('isarray');

                    /**
                     * Module exports.
                     */

                    module.exports = hasBinary;

                    /**
                     * Checks for binary data.
                     *
                     * Right now only Buffer and ArrayBuffer are supported..
                     *
                     * @param {Object} anything
                     * @api public
                     */

                    function hasBinary(data) {

                        function _hasBinary(obj) {
                            if (!obj) return false;

                            if ((global.Buffer && global.Buffer.isBuffer(obj)) ||
                                (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
                                (global.Blob && obj instanceof Blob) ||
                                (global.File && obj instanceof File)
                            ) {
                                return true;
                            }

                            if (isArray(obj)) {
                                for (var i = 0; i < obj.length; i++) {
                                    if (_hasBinary(obj[i])) {
                                        return true;
                                    }
                                }
                            } else if (obj && 'object' == typeof obj) {
                                if (obj.toJSON) {
                                    obj = obj.toJSON();
                                }

                                for (var key in obj) {
                                    if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
                                        return true;
                                    }
                                }
                            }

                            return false;
                        }

                        return _hasBinary(data);
                    }

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "isarray": 39
            }],
            39: [function (_dereq_, module, exports) {
                module.exports = _dereq_(32)
            }, {}],
            40: [function (_dereq_, module, exports) {

                /**
                 * Module dependencies.
                 */

                var global = _dereq_('global');

                /**
                 * Module exports.
                 *
                 * Logic borrowed from Modernizr:
                 *
                 *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
                 */

                try {
                    module.exports = 'XMLHttpRequest' in global &&
                        'withCredentials' in new global.XMLHttpRequest();
                } catch (err) {
                    // if XMLHttp support is disabled in IE then it will throw
                    // when trying to create
                    module.exports = false;
                }

            }, {
                "global": 41
            }],
            41: [function (_dereq_, module, exports) {

                /**
                 * Returns `this`. Execute this without a "context" (i.e. without it being
                 * attached to an object of the left-hand side), and `this` points to the
                 * "global" scope of the current JS execution.
                 */

                module.exports = (function () {
                    return this;
                })();

            }, {}],
            42: [function (_dereq_, module, exports) {

                var indexOf = [].indexOf;

                module.exports = function (arr, obj) {
                    if (indexOf) return arr.indexOf(obj);
                    for (var i = 0; i < arr.length; ++i) {
                        if (arr[i] === obj) return i;
                    }
                    return -1;
                };
            }, {}],
            43: [function (_dereq_, module, exports) {

                /**
                 * HOP ref.
                 */

                var has = Object.prototype.hasOwnProperty;

                /**
                 * Return own keys in `obj`.
                 *
                 * @param {Object} obj
                 * @return {Array}
                 * @api public
                 */

                exports.keys = Object.keys || function (obj) {
                    var keys = [];
                    for (var key in obj) {
                        if (has.call(obj, key)) {
                            keys.push(key);
                        }
                    }
                    return keys;
                };

                /**
                 * Return own values in `obj`.
                 *
                 * @param {Object} obj
                 * @return {Array}
                 * @api public
                 */

                exports.values = function (obj) {
                    var vals = [];
                    for (var key in obj) {
                        if (has.call(obj, key)) {
                            vals.push(obj[key]);
                        }
                    }
                    return vals;
                };

                /**
                 * Merge `b` into `a`.
                 *
                 * @param {Object} a
                 * @param {Object} b
                 * @return {Object} a
                 * @api public
                 */

                exports.merge = function (a, b) {
                    for (var key in b) {
                        if (has.call(b, key)) {
                            a[key] = b[key];
                        }
                    }
                    return a;
                };

                /**
                 * Return length of `obj`.
                 *
                 * @param {Object} obj
                 * @return {Number}
                 * @api public
                 */

                exports.length = function (obj) {
                    return exports.keys(obj).length;
                };

                /**
                 * Check if `obj` is empty.
                 *
                 * @param {Object} obj
                 * @return {Boolean}
                 * @api public
                 */

                exports.isEmpty = function (obj) {
                    return 0 == exports.length(obj);
                };
            }, {}],
            44: [function (_dereq_, module, exports) {
                /**
                 * Parses an URI
                 *
                 * @author Steven Levithan <stevenlevithan.com> (MIT license)
                 * @api private
                 */

                var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;

                var parts = [
                    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
                ];

                module.exports = function parseuri(str) {
                    var m = re.exec(str || ''),
                        uri = {},
                        i = 14;

                    while (i--) {
                        uri[parts[i]] = m[i] || '';
                    }

                    return uri;
                };

            }, {}],
            45: [function (_dereq_, module, exports) {
                (function (global) {
                    /*global Blob,File*/

                    /**
                     * Module requirements
                     */

                    var isArray = _dereq_('isarray');
                    var isBuf = _dereq_('./is-buffer');

                    /**
                     * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
                     * Anything with blobs or files should be fed through removeBlobs before coming
                     * here.
                     *
                     * @param {Object} packet - socket.io event packet
                     * @return {Object} with deconstructed packet and list of buffers
                     * @api public
                     */

                    exports.deconstructPacket = function (packet) {
                        var buffers = [];
                        var packetData = packet.data;

                        function _deconstructPacket(data) {
                            if (!data) return data;

                            if (isBuf(data)) {
                                var placeholder = {
                                    _placeholder: true,
                                    num: buffers.length
                                };
                                buffers.push(data);
                                return placeholder;
                            } else if (isArray(data)) {
                                var newData = new Array(data.length);
                                for (var i = 0; i < data.length; i++) {
                                    newData[i] = _deconstructPacket(data[i]);
                                }
                                return newData;
                            } else if ('object' == typeof data && !(data instanceof Date)) {
                                var newData = {};
                                for (var key in data) {
                                    newData[key] = _deconstructPacket(data[key]);
                                }
                                return newData;
                            }
                            return data;
                        }

                        var pack = packet;
                        pack.data = _deconstructPacket(packetData);
                        pack.attachments = buffers.length; // number of binary 'attachments'
                        return {
                            packet: pack,
                            buffers: buffers
                        };
                    };

                    /**
                     * Reconstructs a binary packet from its placeholder packet and buffers
                     *
                     * @param {Object} packet - event packet with placeholders
                     * @param {Array} buffers - binary buffers to put in placeholder positions
                     * @return {Object} reconstructed packet
                     * @api public
                     */

                    exports.reconstructPacket = function (packet, buffers) {
                        var curPlaceHolder = 0;

                        function _reconstructPacket(data) {
                            if (data && data._placeholder) {
                                var buf = buffers[data.num]; // appropriate buffer (should be natural order anyway)
                                return buf;
                            } else if (isArray(data)) {
                                for (var i = 0; i < data.length; i++) {
                                    data[i] = _reconstructPacket(data[i]);
                                }
                                return data;
                            } else if (data && 'object' == typeof data) {
                                for (var key in data) {
                                    data[key] = _reconstructPacket(data[key]);
                                }
                                return data;
                            }
                            return data;
                        }

                        packet.data = _reconstructPacket(packet.data);
                        packet.attachments = undefined; // no longer useful
                        return packet;
                    };

                    /**
                     * Asynchronously removes Blobs or Files from data via
                     * FileReader's readAsArrayBuffer method. Used before encoding
                     * data as msgpack. Calls callback with the blobless data.
                     *
                     * @param {Object} data
                     * @param {Function} callback
                     * @api private
                     */

                    exports.removeBlobs = function (data, callback) {
                        function _removeBlobs(obj, curKey, containingObject) {
                            if (!obj) return obj;

                            // convert any blob
                            if ((global.Blob && obj instanceof Blob) ||
                                (global.File && obj instanceof File)) {
                                pendingBlobs++;

                                // async filereader
                                var fileReader = new FileReader();
                                fileReader.onload = function () { // this.result == arraybuffer
                                    if (containingObject) {
                                        containingObject[curKey] = this.result;
                                    } else {
                                        bloblessData = this.result;
                                    }

                                    // if nothing pending its callback time
                                    if (!--pendingBlobs) {
                                        callback(bloblessData);
                                    }
                                };

                                fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
                            } else if (isArray(obj)) { // handle array
                                for (var i = 0; i < obj.length; i++) {
                                    _removeBlobs(obj[i], i, obj);
                                }
                            } else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and object
                                for (var key in obj) {
                                    _removeBlobs(obj[key], key, obj);
                                }
                            }
                        }

                        var pendingBlobs = 0;
                        var bloblessData = data;
                        _removeBlobs(bloblessData);
                        if (!pendingBlobs) {
                            callback(bloblessData);
                        }
                    };

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {
                "./is-buffer": 47,
                "isarray": 48
            }],
            46: [function (_dereq_, module, exports) {

                /**
                 * Module dependencies.
                 */

                var debug = _dereq_('debug')('socket.io-parser');
                var json = _dereq_('json3');
                var isArray = _dereq_('isarray');
                var Emitter = _dereq_('component-emitter');
                var binary = _dereq_('./binary');
                var isBuf = _dereq_('./is-buffer');

                /**
                 * Protocol version.
                 *
                 * @api public
                 */

                exports.protocol = 4;

                /**
                 * Packet types.
                 *
                 * @api public
                 */

                exports.types = [
                    'CONNECT',
                    'DISCONNECT',
                    'EVENT',
                    'BINARY_EVENT',
                    'ACK',
                    'BINARY_ACK',
                    'ERROR'
                ];

                /**
                 * Packet type `connect`.
                 *
                 * @api public
                 */

                exports.CONNECT = 0;

                /**
                 * Packet type `disconnect`.
                 *
                 * @api public
                 */

                exports.DISCONNECT = 1;

                /**
                 * Packet type `event`.
                 *
                 * @api public
                 */

                exports.EVENT = 2;

                /**
                 * Packet type `ack`.
                 *
                 * @api public
                 */

                exports.ACK = 3;

                /**
                 * Packet type `error`.
                 *
                 * @api public
                 */

                exports.ERROR = 4;

                /**
                 * Packet type 'binary event'
                 *
                 * @api public
                 */

                exports.BINARY_EVENT = 5;

                /**
                 * Packet type `binary ack`. For acks with binary arguments.
                 *
                 * @api public
                 */

                exports.BINARY_ACK = 6;

                /**
                 * Encoder constructor.
                 *
                 * @api public
                 */

                exports.Encoder = Encoder;

                /**
                 * Decoder constructor.
                 *
                 * @api public
                 */

                exports.Decoder = Decoder;

                /**
                 * A socket.io Encoder instance
                 *
                 * @api public
                 */

                function Encoder() {}

                /**
                 * Encode a packet as a single string if non-binary, or as a
                 * buffer sequence, depending on packet type.
                 *
                 * @param {Object} obj - packet object
                 * @param {Function} callback - function to handle encodings (likely engine.write)
                 * @return Calls callback with Array of encodings
                 * @api public
                 */

                Encoder.prototype.encode = function (obj, callback) {
                    debug('encoding packet %j', obj);

                    if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
                        encodeAsBinary(obj, callback);
                    } else {
                        var encoding = encodeAsString(obj);
                        callback([encoding]);
                    }
                };

                /**
                 * Encode packet as string.
                 *
                 * @param {Object} packet
                 * @return {String} encoded
                 * @api private
                 */

                function encodeAsString(obj) {
                    var str = '';
                    var nsp = false;

                    // first is type
                    str += obj.type;

                    // attachments if we have them
                    if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
                        str += obj.attachments;
                        str += '-';
                    }

                    // if we have a namespace other than `/`
                    // we append it followed by a comma `,`
                    if (obj.nsp && '/' != obj.nsp) {
                        nsp = true;
                        str += obj.nsp;
                    }

                    // immediately followed by the id
                    if (null != obj.id) {
                        if (nsp) {
                            str += ',';
                            nsp = false;
                        }
                        str += obj.id;
                    }

                    // json data
                    if (null != obj.data) {
                        if (nsp) str += ',';
                        str += json.stringify(obj.data);
                    }

                    debug('encoded %j as %s', obj, str);
                    return str;
                }

                /**
                 * Encode packet as 'buffer sequence' by removing blobs, and
                 * deconstructing packet into object with placeholders and
                 * a list of buffers.
                 *
                 * @param {Object} packet
                 * @return {Buffer} encoded
                 * @api private
                 */

                function encodeAsBinary(obj, callback) {

                    function writeEncoding(bloblessData) {
                        var deconstruction = binary.deconstructPacket(bloblessData);
                        var pack = encodeAsString(deconstruction.packet);
                        var buffers = deconstruction.buffers;

                        buffers.unshift(pack); // add packet info to beginning of data list
                        callback(buffers); // write all the buffers
                    }

                    binary.removeBlobs(obj, writeEncoding);
                }

                /**
                 * A socket.io Decoder instance
                 *
                 * @return {Object} decoder
                 * @api public
                 */

                function Decoder() {
                    this.reconstructor = null;
                }

                /**
                 * Mix in `Emitter` with Decoder.
                 */

                Emitter(Decoder.prototype);

                /**
                 * Decodes an ecoded packet string into packet JSON.
                 *
                 * @param {String} obj - encoded packet
                 * @return {Object} packet
                 * @api public
                 */

                Decoder.prototype.add = function (obj) {
                    var packet;
                    if ('string' == typeof obj) {
                        packet = decodeString(obj);
                        if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) { // binary packet's json
                            this.reconstructor = new BinaryReconstructor(packet);

                            // no attachments, labeled binary but no binary data to follow
                            if (this.reconstructor.reconPack.attachments === 0) {
                                this.emit('decoded', packet);
                            }
                        } else { // non-binary full packet
                            this.emit('decoded', packet);
                        }
                    } else if (isBuf(obj) || obj.base64) { // raw binary data
                        if (!this.reconstructor) {
                            throw new Error('got binary data when not reconstructing a packet');
                        } else {
                            packet = this.reconstructor.takeBinaryData(obj);
                            if (packet) { // received final buffer
                                this.reconstructor = null;
                                this.emit('decoded', packet);
                            }
                        }
                    } else {
                        throw new Error('Unknown type: ' + obj);
                    }
                };

                /**
                 * Decode a packet String (JSON data)
                 *
                 * @param {String} str
                 * @return {Object} packet
                 * @api private
                 */

                function decodeString(str) {
                    var p = {};
                    var i = 0;

                    // look up type
                    p.type = Number(str.charAt(0));
                    if (null == exports.types[p.type]) return error();

                    // look up attachments if type binary
                    if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) {
                        var buf = '';
                        while (str.charAt(++i) != '-') {
                            buf += str.charAt(i);
                            if (i == str.length) break;
                        }
                        if (buf != Number(buf) || str.charAt(i) != '-') {
                            throw new Error('Illegal attachments');
                        }
                        p.attachments = Number(buf);
                    }

                    // look up namespace (if any)
                    if ('/' == str.charAt(i + 1)) {
                        p.nsp = '';
                        while (++i) {
                            var c = str.charAt(i);
                            if (',' == c) break;
                            p.nsp += c;
                            if (i == str.length) break;
                        }
                    } else {
                        p.nsp = '/';
                    }

                    // look up id
                    var next = str.charAt(i + 1);
                    if ('' !== next && Number(next) == next) {
                        p.id = '';
                        while (++i) {
                            var c = str.charAt(i);
                            if (null == c || Number(c) != c) {
                                --i;
                                break;
                            }
                            p.id += str.charAt(i);
                            if (i == str.length) break;
                        }
                        p.id = Number(p.id);
                    }

                    // look up json data
                    if (str.charAt(++i)) {
                        try {
                            p.data = json.parse(str.substr(i));
                        } catch (e) {
                            return error();
                        }
                    }

                    debug('decoded %s as %j', str, p);
                    return p;
                }

                /**
                 * Deallocates a parser's resources
                 *
                 * @api public
                 */

                Decoder.prototype.destroy = function () {
                    if (this.reconstructor) {
                        this.reconstructor.finishedReconstruction();
                    }
                };

                /**
                 * A manager of a binary event's 'buffer sequence'. Should
                 * be constructed whenever a packet of type BINARY_EVENT is
                 * decoded.
                 *
                 * @param {Object} packet
                 * @return {BinaryReconstructor} initialized reconstructor
                 * @api private
                 */

                function BinaryReconstructor(packet) {
                    this.reconPack = packet;
                    this.buffers = [];
                }

                /**
                 * Method to be called when binary data received from connection
                 * after a BINARY_EVENT packet.
                 *
                 * @param {Buffer | ArrayBuffer} binData - the raw binary data received
                 * @return {null | Object} returns null if more binary data is expected or
                 *   a reconstructed packet object if all buffers have been received.
                 * @api private
                 */

                BinaryReconstructor.prototype.takeBinaryData = function (binData) {
                    this.buffers.push(binData);
                    if (this.buffers.length == this.reconPack.attachments) { // done with buffer list
                        var packet = binary.reconstructPacket(this.reconPack, this.buffers);
                        this.finishedReconstruction();
                        return packet;
                    }
                    return null;
                };

                /**
                 * Cleans up binary packet reconstruction variables.
                 *
                 * @api private
                 */

                BinaryReconstructor.prototype.finishedReconstruction = function () {
                    this.reconPack = null;
                    this.buffers = [];
                };

                function error(data) {
                    return {
                        type: exports.ERROR,
                        data: 'parser error'
                    };
                }

            }, {
                "./binary": 45,
                "./is-buffer": 47,
                "component-emitter": 9,
                "debug": 10,
                "isarray": 48,
                "json3": 49
            }],
            47: [function (_dereq_, module, exports) {
                (function (global) {

                    module.exports = isBuf;

                    /**
                     * Returns true if obj is a buffer or an arraybuffer.
                     *
                     * @api private
                     */

                    function isBuf(obj) {
                        return (global.Buffer && global.Buffer.isBuffer(obj)) ||
                            (global.ArrayBuffer && obj instanceof ArrayBuffer);
                    }

                }).call(this, typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
            }, {}],
            48: [function (_dereq_, module, exports) {
                module.exports = _dereq_(32)
            }, {}],
            49: [function (_dereq_, module, exports) {
                /*! JSON v3.2.6 | http://bestiejs.github.io/json3 | Copyright 2012-2013, Kit Cambridge | http://kit.mit-license.org */
                ;
                (function (window) {
                    // Convenience aliases.
                    var getClass = {}.toString,
                        isProperty, forEach, undef;

                    // Detect the `define` function exposed by asynchronous module loaders. The
                    // strict `define` check is necessary for compatibility with `r.js`.
                    var isLoader = typeof define === "function" && define.amd;

                    // Detect native implementations.
                    var nativeJSON = typeof JSON == "object" && JSON;

                    // Set up the JSON 3 namespace, preferring the CommonJS `exports` object if
                    // available.
                    var JSON3 = typeof exports == "object" && exports && !exports.nodeType && exports;

                    if (JSON3 && nativeJSON) {
                        // Explicitly delegate to the native `stringify` and `parse`
                        // implementations in CommonJS environments.
                        JSON3.stringify = nativeJSON.stringify;
                        JSON3.parse = nativeJSON.parse;
                    } else {
                        // Export for web browsers, JavaScript engines, and asynchronous module
                        // loaders, using the global `JSON` object if available.
                        JSON3 = window.JSON = nativeJSON || {};
                    }

                    // Test the `Date#getUTC*` methods. Based on work by @Yaffle.
                    var isExtended = new Date(-3509827334573292);
                    try {
                        // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
                        // results for certain dates in Opera >= 10.53.
                        isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
                            // Safari < 2.0.2 stores the internal millisecond time value correctly,
                            // but clips the values returned by the date methods to the range of
                            // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
                            isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
                    } catch (exception) {}

                    // Internal: Determines whether the native `JSON.stringify` and `parse`
                    // implementations are spec-compliant. Based on work by Ken Snyder.
                    function has(name) {
                        if (has[name] !== undef) {
                            // Return cached feature test result.
                            return has[name];
                        }

                        var isSupported;
                        if (name == "bug-string-char-index") {
                            // IE <= 7 doesn't support accessing string characters using square
                            // bracket notation. IE 8 only supports this for primitives.
                            isSupported = "a" [0] != "a";
                        } else if (name == "json") {
                            // Indicates whether both `JSON.stringify` and `JSON.parse` are
                            // supported.
                            isSupported = has("json-stringify") && has("json-parse");
                        } else {
                            var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
                            // Test `JSON.stringify`.
                            if (name == "json-stringify") {
                                var stringify = JSON3.stringify,
                                    stringifySupported = typeof stringify == "function" && isExtended;
                                if (stringifySupported) {
                                    // A test function object with a custom `toJSON` method.
                                    (value = function () {
                                        return 1;
                                    }).toJSON = value;
                                    try {
                                        stringifySupported =
                                            // Firefox 3.1b1 and b2 serialize string, number, and boolean
                                            // primitives as object literals.
                                            stringify(0) === "0" &&
                                            // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
                                            // literals.
                                            stringify(new Number()) === "0" &&
                                            stringify(new String()) == '""' &&
                                            // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
                                            // does not define a canonical JSON representation (this applies to
                                            // objects with `toJSON` properties as well, *unless* they are nested
                                            // within an object or array).
                                            stringify(getClass) === undef &&
                                            // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
                                            // FF 3.1b3 pass this test.
                                            stringify(undef) === undef &&
                                            // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
                                            // respectively, if the value is omitted entirely.
                                            stringify() === undef &&
                                            // FF 3.1b1, 2 throw an error if the given value is not a number,
                                            // string, array, object, Boolean, or `null` literal. This applies to
                                            // objects with custom `toJSON` methods as well, unless they are nested
                                            // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
                                            // methods entirely.
                                            stringify(value) === "1" &&
                                            stringify([value]) == "[1]" &&
                                            // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
                                            // `"[null]"`.
                                            stringify([undef]) == "[null]" &&
                                            // YUI 3.0.0b1 fails to serialize `null` literals.
                                            stringify(null) == "null" &&
                                            // FF 3.1b1, 2 halts serialization if an array contains a function:
                                            // `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
                                            // elides non-JSON values from objects and arrays, unless they
                                            // define custom `toJSON` methods.
                                            stringify([undef, getClass, null]) == "[null,null,null]" &&
                                            // Simple serialization test. FF 3.1b1 uses Unicode escape sequences
                                            // where character escape codes are expected (e.g., `\b` => `\u0008`).
                                            stringify({
                                                "a": [value, true, false, null, "\x00\b\n\f\r\t"]
                                            }) == serialized &&
                                            // FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
                                            stringify(null, value) === "1" &&
                                            stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
                                            // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
                                            // serialize extended years.
                                            stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
                                            // The milliseconds are optional in ES 5, but required in 5.1.
                                            stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
                                            // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
                                            // four-digit years instead of six-digit years. Credits: @Yaffle.
                                            stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
                                            // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
                                            // values less than 1000. Credits: @Yaffle.
                                            stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
                                    } catch (exception) {
                                        stringifySupported = false;
                                    }
                                }
                                isSupported = stringifySupported;
                            }
                            // Test `JSON.parse`.
                            if (name == "json-parse") {
                                var parse = JSON3.parse;
                                if (typeof parse == "function") {
                                    try {
                                        // FF 3.1b1, b2 will throw an exception if a bare literal is provided.
                                        // Conforming implementations should also coerce the initial argument to
                                        // a string prior to parsing.
                                        if (parse("0") === 0 && !parse(false)) {
                                            // Simple parsing test.
                                            value = parse(serialized);
                                            var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
                                            if (parseSupported) {
                                                try {
                                                    // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
                                                    parseSupported = !parse('"\t"');
                                                } catch (exception) {}
                                                if (parseSupported) {
                                                    try {
                                                        // FF 4.0 and 4.0.1 allow leading `+` signs and leading
                                                        // decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
                                                        // certain octal literals.
                                                        parseSupported = parse("01") !== 1;
                                                    } catch (exception) {}
                                                }
                                                if (parseSupported) {
                                                    try {
                                                        // FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
                                                        // points. These environments, along with FF 3.1b1 and 2,
                                                        // also allow trailing commas in JSON objects and arrays.
                                                        parseSupported = parse("1.") !== 1;
                                                    } catch (exception) {}
                                                }
                                            }
                                        }
                                    } catch (exception) {
                                        parseSupported = false;
                                    }
                                }
                                isSupported = parseSupported;
                            }
                        }
                        return has[name] = !!isSupported;
                    }

                    if (!has("json")) {
                        // Common `[[Class]]` name aliases.
                        var functionClass = "[object Function]";
                        var dateClass = "[object Date]";
                        var numberClass = "[object Number]";
                        var stringClass = "[object String]";
                        var arrayClass = "[object Array]";
                        var booleanClass = "[object Boolean]";

                        // Detect incomplete support for accessing string characters by index.
                        var charIndexBuggy = has("bug-string-char-index");

                        // Define additional utility methods if the `Date` methods are buggy.
                        if (!isExtended) {
                            var floor = Math.floor;
                            // A mapping between the months of the year and the number of days between
                            // January 1st and the first of the respective month.
                            var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
                            // Internal: Calculates the number of days between the Unix epoch and the
                            // first day of the given month.
                            var getDay = function (year, month) {
                                return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
                            };
                        }

                        // Internal: Determines if a property is a direct property of the given
                        // object. Delegates to the native `Object#hasOwnProperty` method.
                        if (!(isProperty = {}.hasOwnProperty)) {
                            isProperty = function (property) {
                                var members = {},
                                    constructor;
                                if ((members.__proto__ = null, members.__proto__ = {
                                        // The *proto* property cannot be set multiple times in recent
                                        // versions of Firefox and SeaMonkey.
                                        "toString": 1
                                    }, members).toString != getClass) {
                                    // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
                                    // supports the mutable *proto* property.
                                    isProperty = function (property) {
                                        // Capture and break the object's prototype chain (see section 8.6.2
                                        // of the ES 5.1 spec). The parenthesized expression prevents an
                                        // unsafe transformation by the Closure Compiler.
                                        var original = this.__proto__,
                                            result = property in (this.__proto__ = null, this);
                                        // Restore the original prototype chain.
                                        this.__proto__ = original;
                                        return result;
                                    };
                                } else {
                                    // Capture a reference to the top-level `Object` constructor.
                                    constructor = members.constructor;
                                    // Use the `constructor` property to simulate `Object#hasOwnProperty` in
                                    // other environments.
                                    isProperty = function (property) {
                                        var parent = (this.constructor || constructor).prototype;
                                        return property in this && !(property in parent && this[property] === parent[property]);
                                    };
                                }
                                members = null;
                                return isProperty.call(this, property);
                            };
                        }

                        // Internal: A set of primitive types used by `isHostType`.
                        var PrimitiveTypes = {
                            'boolean': 1,
                            'number': 1,
                            'string': 1,
                            'undefined': 1
                        };

                        // Internal: Determines if the given object `property` value is a
                        // non-primitive.
                        var isHostType = function (object, property) {
                            var type = typeof object[property];
                            return type == 'object' ? !!object[property] : !PrimitiveTypes[type];
                        };

                        // Internal: Normalizes the `for...in` iteration algorithm across
                        // environments. Each enumerated key is yielded to a `callback` function.
                        forEach = function (object, callback) {
                            var size = 0,
                                Properties, members, property;

                            // Tests for bugs in the current environment's `for...in` algorithm. The
                            // `valueOf` property inherits the non-enumerable flag from
                            // `Object.prototype` in older versions of IE, Netscape, and Mozilla.
                            (Properties = function () {
                                this.valueOf = 0;
                            }).prototype.valueOf = 0;

                            // Iterate over a new instance of the `Properties` class.
                            members = new Properties();
                            for (property in members) {
                                // Ignore all properties inherited from `Object.prototype`.
                                if (isProperty.call(members, property)) {
                                    size++;
                                }
                            }
                            Properties = members = null;

                            // Normalize the iteration algorithm.
                            if (!size) {
                                // A list of non-enumerable properties inherited from `Object.prototype`.
                                members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
                                // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
                                // properties.
                                forEach = function (object, callback) {
                                    var isFunction = getClass.call(object) == functionClass,
                                        property, length;
                                    var hasProperty = !isFunction && typeof object.constructor != 'function' && isHostType(object, 'hasOwnProperty') ? object.hasOwnProperty : isProperty;
                                    for (property in object) {
                                        // Gecko <= 1.0 enumerates the `prototype` property of functions under
                                        // certain conditions; IE does not.
                                        if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
                                            callback(property);
                                        }
                                    }
                                    // Manually invoke the callback for each non-enumerable property.
                                    for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
                                };
                            } else if (size == 2) {
                                // Safari <= 2.0.4 enumerates shadowed properties twice.
                                forEach = function (object, callback) {
                                    // Create a set of iterated properties.
                                    var members = {},
                                        isFunction = getClass.call(object) == functionClass,
                                        property;
                                    for (property in object) {
                                        // Store each property name to prevent double enumeration. The
                                        // `prototype` property of functions is not enumerated due to cross-
                                        // environment inconsistencies.
                                        if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
                                            callback(property);
                                        }
                                    }
                                };
                            } else {
                                // No bugs detected; use the standard `for...in` algorithm.
                                forEach = function (object, callback) {
                                    var isFunction = getClass.call(object) == functionClass,
                                        property, isConstructor;
                                    for (property in object) {
                                        if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
                                            callback(property);
                                        }
                                    }
                                    // Manually invoke the callback for the `constructor` property due to
                                    // cross-environment inconsistencies.
                                    if (isConstructor || isProperty.call(object, (property = "constructor"))) {
                                        callback(property);
                                    }
                                };
                            }
                            return forEach(object, callback);
                        };

                        // Public: Serializes a JavaScript `value` as a JSON string. The optional
                        // `filter` argument may specify either a function that alters how object and
                        // array members are serialized, or an array of strings and numbers that
                        // indicates which properties should be serialized. The optional `width`
                        // argument may be either a string or number that specifies the indentation
                        // level of the output.
                        if (!has("json-stringify")) {
                            // Internal: A map of control characters and their escaped equivalents.
                            var Escapes = {
                                92: "\\\\",
                                34: '\\"',
                                8: "\\b",
                                12: "\\f",
                                10: "\\n",
                                13: "\\r",
                                9: "\\t"
                            };

                            // Internal: Converts `value` into a zero-padded string such that its
                            // length is at least equal to `width`. The `width` must be <= 6.
                            var leadingZeroes = "000000";
                            var toPaddedString = function (width, value) {
                                // The `|| 0` expression is necessary to work around a bug in
                                // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
                                return (leadingZeroes + (value || 0)).slice(-width);
                            };

                            // Internal: Double-quotes a string `value`, replacing all ASCII control
                            // characters (characters with code unit values between 0 and 31) with
                            // their escaped equivalents. This is an implementation of the
                            // `Quote(value)` operation defined in ES 5.1 section 15.12.3.
                            var unicodePrefix = "\\u00";
                            var quote = function (value) {
                                var result = '"',
                                    index = 0,
                                    length = value.length,
                                    isLarge = length > 10 && charIndexBuggy,
                                    symbols;
                                if (isLarge) {
                                    symbols = value.split("");
                                }
                                for (; index < length; index++) {
                                    var charCode = value.charCodeAt(index);
                                    // If the character is a control character, append its Unicode or
                                    // shorthand escape sequence; otherwise, append the character as-is.
                                    switch (charCode) {
                                        case 8:
                                        case 9:
                                        case 10:
                                        case 12:
                                        case 13:
                                        case 34:
                                        case 92:
                                            result += Escapes[charCode];
                                            break;
                                        default:
                                            if (charCode < 32) {
                                                result += unicodePrefix + toPaddedString(2, charCode.toString(16));
                                                break;
                                            }
                                            result += isLarge ? symbols[index] : charIndexBuggy ? value.charAt(index) : value[index];
                                    }
                                }
                                return result + '"';
                            };

                            // Internal: Recursively serializes an object. Implements the
                            // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
                            var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
                                var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
                                try {
                                    // Necessary for host object support.
                                    value = object[property];
                                } catch (exception) {}
                                if (typeof value == "object" && value) {
                                    className = getClass.call(value);
                                    if (className == dateClass && !isProperty.call(value, "toJSON")) {
                                        if (value > -1 / 0 && value < 1 / 0) {
                                            // Dates are serialized according to the `Date#toJSON` method
                                            // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
                                            // for the ISO 8601 date time string format.
                                            if (getDay) {
                                                // Manually compute the year, month, date, hours, minutes,
                                                // seconds, and milliseconds if the `getUTC*` methods are
                                                // buggy. Adapted from @Yaffle's `date-shim` project.
                                                date = floor(value / 864e5);
                                                for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
                                                for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
                                                date = 1 + date - getDay(year, month);
                                                // The `time` value specifies the time within the day (see ES
                                                // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
                                                // to compute `A modulo B`, as the `%` operator does not
                                                // correspond to the `modulo` operation for negative numbers.
                                                time = (value % 864e5 + 864e5) % 864e5;
                                                // The hours, minutes, seconds, and milliseconds are obtained by
                                                // decomposing the time within the day. See section 15.9.1.10.
                                                hours = floor(time / 36e5) % 24;
                                                minutes = floor(time / 6e4) % 60;
                                                seconds = floor(time / 1e3) % 60;
                                                milliseconds = time % 1e3;
                                            } else {
                                                year = value.getUTCFullYear();
                                                month = value.getUTCMonth();
                                                date = value.getUTCDate();
                                                hours = value.getUTCHours();
                                                minutes = value.getUTCMinutes();
                                                seconds = value.getUTCSeconds();
                                                milliseconds = value.getUTCMilliseconds();
                                            }
                                            // Serialize extended years correctly.
                                            value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
                                                "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
                                                // Months, dates, hours, minutes, and seconds should have two
                                                // digits; milliseconds should have three.
                                                "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
                                                // Milliseconds are optional in ES 5.0, but required in 5.1.
                                                "." + toPaddedString(3, milliseconds) + "Z";
                                        } else {
                                            value = null;
                                        }
                                    } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
                                        // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
                                        // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
                                        // ignores all `toJSON` methods on these objects unless they are
                                        // defined directly on an instance.
                                        value = value.toJSON(property);
                                    }
                                }
                                if (callback) {
                                    // If a replacement function was provided, call it to obtain the value
                                    // for serialization.
                                    value = callback.call(object, property, value);
                                }
                                if (value === null) {
                                    return "null";
                                }
                                className = getClass.call(value);
                                if (className == booleanClass) {
                                    // Booleans are represented literally.
                                    return "" + value;
                                } else if (className == numberClass) {
                                    // JSON numbers must be finite. `Infinity` and `NaN` are serialized as
                                    // `"null"`.
                                    return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
                                } else if (className == stringClass) {
                                    // Strings are double-quoted and escaped.
                                    return quote("" + value);
                                }
                                // Recursively serialize objects and arrays.
                                if (typeof value == "object") {
                                    // Check for cyclic structures. This is a linear search; performance
                                    // is inversely proportional to the number of unique nested objects.
                                    for (length = stack.length; length--;) {
                                        if (stack[length] === value) {
                                            // Cyclic structures cannot be serialized by `JSON.stringify`.
                                            throw TypeError();
                                        }
                                    }
                                    // Add the object to the stack of traversed objects.
                                    stack.push(value);
                                    results = [];
                                    // Save the current indentation level and indent one additional level.
                                    prefix = indentation;
                                    indentation += whitespace;
                                    if (className == arrayClass) {
                                        // Recursively serialize array elements.
                                        for (index = 0, length = value.length; index < length; index++) {
                                            element = serialize(index, value, callback, properties, whitespace, indentation, stack);
                                            results.push(element === undef ? "null" : element);
                                        }
                                        result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
                                    } else {
                                        // Recursively serialize object members. Members are selected from
                                        // either a user-specified list of property names, or the object
                                        // itself.
                                        forEach(properties || value, function (property) {
                                            var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
                                            if (element !== undef) {
                                                // According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
                                                // is not the empty string, let `member` {quote(property) + ":"}
                                                // be the concatenation of `member` and the `space` character."
                                                // The "`space` character" refers to the literal space
                                                // character, not the `space` {width} argument provided to
                                                // `JSON.stringify`.
                                                results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
                                            }
                                        });
                                        result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
                                    }
                                    // Remove the object from the traversed object stack.
                                    stack.pop();
                                    return result;
                                }
                            };

                            // Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
                            JSON3.stringify = function (source, filter, width) {
                                var whitespace, callback, properties, className;
                                if (typeof filter == "function" || typeof filter == "object" && filter) {
                                    if ((className = getClass.call(filter)) == functionClass) {
                                        callback = filter;
                                    } else if (className == arrayClass) {
                                        // Convert the property names array into a makeshift set.
                                        properties = {};
                                        for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
                                    }
                                }
                                if (width) {
                                    if ((className = getClass.call(width)) == numberClass) {
                                        // Convert the `width` to an integer and create a string containing
                                        // `width` number of space characters.
                                        if ((width -= width % 1) > 0) {
                                            for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
                                        }
                                    } else if (className == stringClass) {
                                        whitespace = width.length <= 10 ? width : width.slice(0, 10);
                                    }
                                }
                                // Opera <= 7.54u2 discards the values associated with empty string keys
                                // (`""`) only if they are used directly within an object member list
                                // (e.g., `!("" in { "": 1})`).
                                return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
                            };
                        }

                        // Public: Parses a JSON source string.
                        if (!has("json-parse")) {
                            var fromCharCode = String.fromCharCode;

                            // Internal: A map of escaped control characters and their unescaped
                            // equivalents.
                            var Unescapes = {
                                92: "\\",
                                34: '"',
                                47: "/",
                                98: "\b",
                                116: "\t",
                                110: "\n",
                                102: "\f",
                                114: "\r"
                            };

                            // Internal: Stores the parser state.
                            var Index, Source;

                            // Internal: Resets the parser state and throws a `SyntaxError`.
                            var abort = function () {
                                Index = Source = null;
                                throw SyntaxError();
                            };

                            // Internal: Returns the next token, or `"$"` if the parser has reached
                            // the end of the source string. A token may be a string, number, `null`
                            // literal, or Boolean literal.
                            var lex = function () {
                                var source = Source,
                                    length = source.length,
                                    value, begin, position, isSigned, charCode;
                                while (Index < length) {
                                    charCode = source.charCodeAt(Index);
                                    switch (charCode) {
                                        case 9:
                                        case 10:
                                        case 13:
                                        case 32:
                                            // Skip whitespace tokens, including tabs, carriage returns, line
                                            // feeds, and space characters.
                                            Index++;
                                            break;
                                        case 123:
                                        case 125:
                                        case 91:
                                        case 93:
                                        case 58:
                                        case 44:
                                            // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
                                            // the current position.
                                            value = charIndexBuggy ? source.charAt(Index) : source[Index];
                                            Index++;
                                            return value;
                                        case 34:
                                            // `"` delimits a JSON string; advance to the next character and
                                            // begin parsing the string. String tokens are prefixed with the
                                            // sentinel `@` character to distinguish them from punctuators and
                                            // end-of-string tokens.
                                            for (value = "@", Index++; Index < length;) {
                                                charCode = source.charCodeAt(Index);
                                                if (charCode < 32) {
                                                    // Unescaped ASCII control characters (those with a code unit
                                                    // less than the space character) are not permitted.
                                                    abort();
                                                } else if (charCode == 92) {
                                                    // A reverse solidus (`\`) marks the beginning of an escaped
                                                    // control character (including `"`, `\`, and `/`) or Unicode
                                                    // escape sequence.
                                                    charCode = source.charCodeAt(++Index);
                                                    switch (charCode) {
                                                        case 92:
                                                        case 34:
                                                        case 47:
                                                        case 98:
                                                        case 116:
                                                        case 110:
                                                        case 102:
                                                        case 114:
                                                            // Revive escaped control characters.
                                                            value += Unescapes[charCode];
                                                            Index++;
                                                            break;
                                                        case 117:
                                                            // `\u` marks the beginning of a Unicode escape sequence.
                                                            // Advance to the first character and validate the
                                                            // four-digit code point.
                                                            begin = ++Index;
                                                            for (position = Index + 4; Index < position; Index++) {
                                                                charCode = source.charCodeAt(Index);
                                                                // A valid sequence comprises four hexdigits (case-
                                                                // insensitive) that form a single hexadecimal value.
                                                                if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
                                                                    // Invalid Unicode escape sequence.
                                                                    abort();
                                                                }
                                                            }
                                                            // Revive the escaped character.
                                                            value += fromCharCode("0x" + source.slice(begin, Index));
                                                            break;
                                                        default:
                                                            // Invalid escape sequence.
                                                            abort();
                                                    }
                                                } else {
                                                    if (charCode == 34) {
                                                        // An unescaped double-quote character marks the end of the
                                                        // string.
                                                        break;
                                                    }
                                                    charCode = source.charCodeAt(Index);
                                                    begin = Index;
                                                    // Optimize for the common case where a string is valid.
                                                    while (charCode >= 32 && charCode != 92 && charCode != 34) {
                                                        charCode = source.charCodeAt(++Index);
                                                    }
                                                    // Append the string as-is.
                                                    value += source.slice(begin, Index);
                                                }
                                            }
                                            if (source.charCodeAt(Index) == 34) {
                                                // Advance to the next character and return the revived string.
                                                Index++;
                                                return value;
                                            }
                                            // Unterminated string.
                                            abort();
                                        default:
                                            // Parse numbers and literals.
                                            begin = Index;
                                            // Advance past the negative sign, if one is specified.
                                            if (charCode == 45) {
                                                isSigned = true;
                                                charCode = source.charCodeAt(++Index);
                                            }
                                            // Parse an integer or floating-point value.
                                            if (charCode >= 48 && charCode <= 57) {
                                                // Leading zeroes are interpreted as octal literals.
                                                if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
                                                    // Illegal octal literal.
                                                    abort();
                                                }
                                                isSigned = false;
                                                // Parse the integer component.
                                                for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
                                                // Floats cannot contain a leading decimal point; however, this
                                                // case is already accounted for by the parser.
                                                if (source.charCodeAt(Index) == 46) {
                                                    position = ++Index;
                                                    // Parse the decimal component.
                                                    for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
                                                    if (position == Index) {
                                                        // Illegal trailing decimal.
                                                        abort();
                                                    }
                                                    Index = position;
                                                }
                                                // Parse exponents. The `e` denoting the exponent is
                                                // case-insensitive.
                                                charCode = source.charCodeAt(Index);
                                                if (charCode == 101 || charCode == 69) {
                                                    charCode = source.charCodeAt(++Index);
                                                    // Skip past the sign following the exponent, if one is
                                                    // specified.
                                                    if (charCode == 43 || charCode == 45) {
                                                        Index++;
                                                    }
                                                    // Parse the exponential component.
                                                    for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
                                                    if (position == Index) {
                                                        // Illegal empty exponent.
                                                        abort();
                                                    }
                                                    Index = position;
                                                }
                                                // Coerce the parsed value to a JavaScript number.
                                                return +source.slice(begin, Index);
                                            }
                                            // A negative sign may only precede numbers.
                                            if (isSigned) {
                                                abort();
                                            }
                                            // `true`, `false`, and `null` literals.
                                            if (source.slice(Index, Index + 4) == "true") {
                                                Index += 4;
                                                return true;
                                            } else if (source.slice(Index, Index + 5) == "false") {
                                                Index += 5;
                                                return false;
                                            } else if (source.slice(Index, Index + 4) == "null") {
                                                Index += 4;
                                                return null;
                                            }
                                            // Unrecognized token.
                                            abort();
                                    }
                                }
                                // Return the sentinel `$` character if the parser has reached the end
                                // of the source string.
                                return "$";
                            };

                            // Internal: Parses a JSON `value` token.
                            var get = function (value) {
                                var results, hasMembers;
                                if (value == "$") {
                                    // Unexpected end of input.
                                    abort();
                                }
                                if (typeof value == "string") {
                                    if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
                                        // Remove the sentinel `@` character.
                                        return value.slice(1);
                                    }
                                    // Parse object and array literals.
                                    if (value == "[") {
                                        // Parses a JSON array, returning a new JavaScript array.
                                        results = [];
                                        for (;; hasMembers || (hasMembers = true)) {
                                            value = lex();
                                            // A closing square bracket marks the end of the array literal.
                                            if (value == "]") {
                                                break;
                                            }
                                            // If the array literal contains elements, the current token
                                            // should be a comma separating the previous element from the
                                            // next.
                                            if (hasMembers) {
                                                if (value == ",") {
                                                    value = lex();
                                                    if (value == "]") {
                                                        // Unexpected trailing `,` in array literal.
                                                        abort();
                                                    }
                                                } else {
                                                    // A `,` must separate each array element.
                                                    abort();
                                                }
                                            }
                                            // Elisions and leading commas are not permitted.
                                            if (value == ",") {
                                                abort();
                                            }
                                            results.push(get(value));
                                        }
                                        return results;
                                    } else if (value == "{") {
                                        // Parses a JSON object, returning a new JavaScript object.
                                        results = {};
                                        for (;; hasMembers || (hasMembers = true)) {
                                            value = lex();
                                            // A closing curly brace marks the end of the object literal.
                                            if (value == "}") {
                                                break;
                                            }
                                            // If the object literal contains members, the current token
                                            // should be a comma separator.
                                            if (hasMembers) {
                                                if (value == ",") {
                                                    value = lex();
                                                    if (value == "}") {
                                                        // Unexpected trailing `,` in object literal.
                                                        abort();
                                                    }
                                                } else {
                                                    // A `,` must separate each object member.
                                                    abort();
                                                }
                                            }
                                            // Leading commas are not permitted, object property names must be
                                            // double-quoted strings, and a `:` must separate each property
                                            // name and value.
                                            if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
                                                abort();
                                            }
                                            results[value.slice(1)] = get(lex());
                                        }
                                        return results;
                                    }
                                    // Unexpected token encountered.
                                    abort();
                                }
                                return value;
                            };

                            // Internal: Updates a traversed object member.
                            var update = function (source, property, callback) {
                                var element = walk(source, property, callback);
                                if (element === undef) {
                                    delete source[property];
                                } else {
                                    source[property] = element;
                                }
                            };

                            // Internal: Recursively traverses a parsed JSON object, invoking the
                            // `callback` function for each value. This is an implementation of the
                            // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
                            var walk = function (source, property, callback) {
                                var value = source[property],
                                    length;
                                if (typeof value == "object" && value) {
                                    // `forEach` can't be used to traverse an array in Opera <= 8.54
                                    // because its `Object#hasOwnProperty` implementation returns `false`
                                    // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
                                    if (getClass.call(value) == arrayClass) {
                                        for (length = value.length; length--;) {
                                            update(value, length, callback);
                                        }
                                    } else {
                                        forEach(value, function (property) {
                                            update(value, property, callback);
                                        });
                                    }
                                }
                                return callback.call(source, property, value);
                            };

                            // Public: `JSON.parse`. See ES 5.1 section 15.12.2.
                            JSON3.parse = function (source, callback) {
                                var result, value;
                                Index = 0;
                                Source = "" + source;
                                result = get(lex());
                                // If a JSON string contains multiple tokens, it is invalid.
                                if (lex() != "$") {
                                    abort();
                                }
                                // Reset the parser state.
                                Index = Source = null;
                                return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
                            };
                        }
                    }

                    // Export for asynchronous module loaders.
                    if (isLoader) {
                        define(function () {
                            return JSON3;
                        });
                    }
                }(this));

            }, {}],
            50: [function (_dereq_, module, exports) {
                module.exports = toArray

                function toArray(list, index) {
                    var array = []

                    index = index || 0

                    for (var i = index || 0; i < list.length; i++) {
                        array[i - index] = list[i]
                    }

                    return array
                }

            }, {}]
        }, {}, [1])
        (1)
});